calcul mental - eklablogekladata.com/3u30rvvhad1cbkmfxy7whwxe9u4/4_calcullitter...y = 3 x = 4 y = 8...
TRANSCRIPT
![Page 1: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/1.jpg)
1/21
Calcul mental
Calcul litteral :Remplacer une variable par sa valeur
puis calculer
Entraınement 1
![Page 2: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/2.jpg)
2/21
Calcule 3× x + 2
y− 5
pour :
x = 0
y = 32
x = 6 y = 3
x = −4 y = −8
![Page 3: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/3.jpg)
2/21
Calcule 3× x + 2
y− 5
pour :
x = 0 y = 32
x = 6
y = 3
x = −4 y = −8
![Page 4: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/4.jpg)
2/21
Calcule 3× x + 2
y− 5
pour :
x = 0 y = 32
x = 6 y = 3
x = −4
y = −8
![Page 5: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/5.jpg)
2/21
Calcule
3× x + 2
y− 5 pour :
x = 0
y = 32
x = 6 y = 3
x = −4 y = −8
![Page 6: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/6.jpg)
2/21
Calcule
3× x + 2
y− 5 pour :
x = 0 y = 32
x = 6
y = 3
x = −4 y = −8
![Page 7: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/7.jpg)
2/21
Calcule
3× x + 2
y− 5 pour :
x = 0 y = 32
x = 6 y = 3
x = −4
y = −8
![Page 8: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/8.jpg)
3/21
Prenez votre stylo vert
![Page 9: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/9.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 10: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/10.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 11: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/11.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 12: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/12.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 13: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/13.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 14: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/14.jpg)
4/21
Calcule 3× x + 2;
y− 5
pour :
x = 0
y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 15: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/15.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2
32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 16: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/16.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6
y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 17: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/17.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20
3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 18: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/18.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4
y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 19: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/19.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 20: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/20.jpg)
4/21
Calcule 3× x + 2; y− 5 pour :
x = 0 y = 32
3 × 0 + 2 = 0 + 2 = 2 32 − 5 = 27
x = 6 y = 3
3 × 6 + 2 = 18 + 2 = 20 3 − 5 = −2
x = −4 y = −8
3 × (−4) + 2 = −12 + 2 =−10
−8 − 5 = −13
![Page 21: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/21.jpg)
5/21
Calcul mental
Calcul litteral :Remplacer une variable par sa valeur
puis calculer
Entraınement 2
![Page 22: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/22.jpg)
6/21
Calcule (x + 0, 5)× 2
5y− 35
pour :
x = 3
y = 7
x = 5, 5 y = 10
x = −4 y = 4
![Page 23: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/23.jpg)
6/21
Calcule (x + 0, 5)× 2
5y− 35
pour :
x = 3 y = 7
x = 5, 5
y = 10
x = −4 y = 4
![Page 24: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/24.jpg)
6/21
Calcule (x + 0, 5)× 2
5y− 35
pour :
x = 3 y = 7
x = 5, 5 y = 10
x = −4
y = 4
![Page 25: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/25.jpg)
6/21
Calcule
(x + 0, 5)× 2
5y− 35 pour :
x = 3
y = 7
x = 5, 5 y = 10
x = −4 y = 4
![Page 26: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/26.jpg)
6/21
Calcule
(x + 0, 5)× 2
5y− 35 pour :
x = 3 y = 7
x = 5, 5
y = 10
x = −4 y = 4
![Page 27: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/27.jpg)
6/21
Calcule
(x + 0, 5)× 2
5y− 35 pour :
x = 3 y = 7
x = 5, 5 y = 10
x = −4
y = 4
![Page 28: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/28.jpg)
7/21
Prenez votre stylo vert
![Page 29: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/29.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 30: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/30.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 31: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/31.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 32: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/32.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 33: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/33.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 34: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/34.jpg)
8/21
Calcule (x + 0, 5)× 2 ;
5y− 35
pour :
x = 3
y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 35: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/35.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7
5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 36: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/36.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5
y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 37: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/37.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12
5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 38: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/38.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4
y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 39: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/39.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 40: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/40.jpg)
8/21
Calcule (x + 0, 5)× 2 ; 5y− 35 pour :
x = 3 y = 7
(3 + 0, 5) × 2 = 3, 5 × 2 = 7 5 × 7 − 35 = 35 − 35 = 0
x = 5, 5 y = 10
(5, 5 + 0, 5)×2 = 6×2 = 12 5 × 10 − 35 = 50 − 35 = 15
x = −4 y = 4
(−4 + 0, 5) × 2 =−3, 5 × 2 = −7
5 × 4 − 35 = 20 − 35 = −15
![Page 41: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/41.jpg)
9/21
Calcul mental
Calcul litteral :Remplacer une variable par sa valeur
puis calculer
Entraınement 3
![Page 42: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/42.jpg)
10/21
Calcule (x + 2)× x
7y− 3
pour :
x = 10
y = 7
x = −2 y = 4
x = 9 y = 8
![Page 43: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/43.jpg)
10/21
Calcule (x + 2)× x
7y− 3
pour :
x = 10 y = 7
x = −2
y = 4
x = 9 y = 8
![Page 44: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/44.jpg)
10/21
Calcule (x + 2)× x
7y− 3
pour :
x = 10 y = 7
x = −2 y = 4
x = 9
y = 8
![Page 45: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/45.jpg)
10/21
Calcule
(x + 2)× x
7y− 3 pour :
x = 10
y = 7
x = −2 y = 4
x = 9 y = 8
![Page 46: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/46.jpg)
10/21
Calcule
(x + 2)× x
7y− 3 pour :
x = 10 y = 7
x = −2
y = 4
x = 9 y = 8
![Page 47: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/47.jpg)
10/21
Calcule
(x + 2)× x
7y− 3 pour :
x = 10 y = 7
x = −2 y = 4
x = 9
y = 8
![Page 48: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/48.jpg)
11/21
Prenez votre stylo vert
![Page 49: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/49.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 50: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/50.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 51: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/51.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 52: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/52.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 53: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/53.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 54: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/54.jpg)
12/21
Calcule (x + 2)× x ;
7y− 3
pour :
x = 10
y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 55: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/55.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120
7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 56: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/56.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2
y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 57: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/57.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 58: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/58.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9
y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 59: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/59.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99
7 × 8 − 3 = 56 − 3 = 53
![Page 60: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/60.jpg)
12/21
Calcule (x + 2)× x ; 7y− 3 pour :
x = 10 y = 7
(10+2)×10 = 12×10 = 120 7 × 7 − 3 = 49 − 3 = 46
x = −2 y = 4
(−2 + 2) × (−2) =0 × (−2) = 0
7 × 4 − 3 = 28 − 3 = 25
x = 9 y = 8
(9 + 2) × 9 = 11 × 9 = 99 7 × 8 − 3 = 56 − 3 = 53
![Page 61: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/61.jpg)
13/21
Calcul mental
Calcul litteral :Remplacer une variable par sa valeur
puis calculer
Entraınement 4
![Page 62: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/62.jpg)
14/21
Calcule (x− 3)× 0, 5
y× y− 50
pour :
x = 7
y = 7
x = 24 y = 9
x = 0 y = 5
![Page 63: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/63.jpg)
14/21
Calcule (x− 3)× 0, 5
y× y− 50
pour :
x = 7 y = 7
x = 24
y = 9
x = 0 y = 5
![Page 64: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/64.jpg)
14/21
Calcule (x− 3)× 0, 5
y× y− 50
pour :
x = 7 y = 7
x = 24 y = 9
x = 0
y = 5
![Page 65: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/65.jpg)
14/21
Calcule
(x− 3)× 0, 5
y× y− 50 pour :
x = 7
y = 7
x = 24 y = 9
x = 0 y = 5
![Page 66: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/66.jpg)
14/21
Calcule
(x− 3)× 0, 5
y× y− 50 pour :
x = 7 y = 7
x = 24
y = 9
x = 0 y = 5
![Page 67: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/67.jpg)
14/21
Calcule
(x− 3)× 0, 5
y× y− 50 pour :
x = 7 y = 7
x = 24 y = 9
x = 0
y = 5
![Page 68: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/68.jpg)
15/21
Prenez votre stylo vert
![Page 69: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/69.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 70: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/70.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 71: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/71.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 72: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/72.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 73: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/73.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 74: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/74.jpg)
16/21
Calcule (x− 3)× 0, 5 ;
y× y− 50
pour :
x = 7
y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 75: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/75.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2
7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 76: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/76.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24
y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 77: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/77.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 78: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/78.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0
y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 79: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/79.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 80: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/80.jpg)
16/21
Calcule (x− 3)× 0, 5 ; y× y− 50 pour :
x = 7 y = 7
(7 − 3) × 0, 5 = 4 × 0, 5 = 2 7 × 7 − 50 = 49 − 50 = −1
x = 24 y = 9
(24 − 3) × 0, 5 = 21 × 0, 5 =10, 5
9 × 9 − 50 = 81 − 50 = 31
x = 0 y = 5
(0 − 3) × 0, 5 = −3 × 0, 5 =−1, 5
5 × 5 − 50 = 25 − 50 = −25
![Page 81: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/81.jpg)
17/21
Calcul mental
Calcul litteral :Remplacer une variable par sa valeur
puis calculer
Test
![Page 82: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/82.jpg)
18/21
Calcule (x− 3)× 0, 5 ;
y× 6
;
(a + 4)× 3
pour :
x = 8
y = −5
x = 1 a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 83: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/83.jpg)
18/21
Calcule (x− 3)× 0, 5 ;
y× 6
;
(a + 4)× 3
pour :
x = 8 y = −5
x = 1
a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 84: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/84.jpg)
18/21
Calcule (x− 3)× 0, 5 ;
y× 6
;
(a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8
a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 85: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/85.jpg)
18/21
Calcule
(x− 3)× 0, 5
; y× 6 ;
(a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8 a = 5
y = 7
a = 0, 2
y = 0, 5 a = −6
![Page 86: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/86.jpg)
18/21
Calcule
(x− 3)× 0, 5
; y× 6 ;
(a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5
a = −6
![Page 87: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/87.jpg)
18/21
Calcule
(x− 3)× 0, 5
; y× 6 ;
(a + 4)× 3
pour :
x = 8
y = −5
x = 1 a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 88: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/88.jpg)
18/21
Calcule
(x− 3)× 0, 5
;
y× 6
; (a + 4)× 3
pour :
x = 8 y = −5
x = 1
a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 89: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/89.jpg)
18/21
Calcule
(x− 3)× 0, 5
;
y× 6
; (a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8
a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6
![Page 90: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/90.jpg)
18/21
Calcule
(x− 3)× 0, 5
;
y× 6
; (a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8 a = 5
y = 7
a = 0, 2
y = 0, 5 a = −6
![Page 91: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/91.jpg)
18/21
Calcule
(x− 3)× 0, 5
;
y× 6
; (a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5
a = −6
![Page 92: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/92.jpg)
19/21
Posez votre stylo et faites passer les feuilles devant
![Page 93: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/93.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 94: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/94.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 95: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/95.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 96: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/96.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 97: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/97.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 98: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/98.jpg)
20/21
Calcule (x− 3) × 0, 5 ;
y× 6
;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 99: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/99.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 100: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/100.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 101: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/101.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 102: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/102.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8
y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 103: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/103.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5
−5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 104: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/104.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ;
(a + 4) × 3
pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1
a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 105: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/105.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 106: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/106.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8
a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 107: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/107.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 108: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/108.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7
a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 109: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/109.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42
(0, 2 + 4) × 3 = 4, 2 × 3 =12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 110: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/110.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5
a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 111: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/111.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3
(−6 + 4)×3 = −2×3 = −6
![Page 112: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/112.jpg)
20/21
Calcule (x− 3) × 0, 5 ; y× 6 ; (a + 4) × 3 pour :
x = 8 y = −5
(8−3)×0, 5 = 5×0, 5 = 2, 5 −5 × 6 = −30
x = 1 a = 2
(1 − 3) × 0, 5 = −2 × 0, 5 =−1
(2 + 4) × 3 = 6 × 3 = 18
x = −8 a = 5
(−8 − 3) × 0, 5 =−11 × 0, 5 = −5, 5
(5 + 4) × 3 = 9 × 3 = 27
y = 7 a = 0, 2
7 × 6 = 42(0, 2 + 4) × 3 = 4, 2 × 3 =
12, 6
y = 0, 5 a = −6
0, 5 × 6 = 3 (−6 + 4)×3 = −2×3 = −6
![Page 113: Calcul mental - Eklablogekladata.com/3u30RVvhad1CbKmFxy7Whwxe9U4/4_CalculLitter...y = 3 x = 4 y = 8 2/21 Calcule 3 x+2 y 5 pour : x = 0 y = 32 x = 6 y = 3 x = 4 y = 8 3/21 Prenez votre](https://reader034.vdocuments.pub/reader034/viewer/2022052615/608506ec8ff23d458872e4a0/html5/thumbnails/113.jpg)
21/21
Calcule (x− 3)× 0, 5 ; y× 6 ; (a + 4)× 3
pour :
x = 8 y = −5
x = 1 a = 2
x = −8 a = 5
y = 7 a = 0, 2
y = 0, 5 a = −6