: ____________________________

: ____________________

: _________________

.1. 1+7+8=2. 3+5+4=3. 9+8+5=4. 3+8+8=5. 7+5+6=6. 7+9+7=7. 3+6+7=8. 6+8+1=9. 8+6+6=10. 2+4+6=

.1. 2+6+6=2. 1+7+7=3. 6+6+9=4. 5+8+8=5. 9+9+3=6. 5+5+9=7. 9+8+4=8. 8+9+8=9. 7+1+7=10. 5+6+9=

: ____________________________

: ____________________

: _________________

13 + = 16

12 + = 15

23 + = 25

25 + = 28

17 + = 19

15 + = 19

16 + = 18

17 + = 22

11 + = 17

16 + = 19

12 + = 19

13 + = 16

18 + = 23

30 + = 40

23 + = 27

23 + = 30

13 + = 20

20 + = 25

16 + = 19

24 + = 26

.