Th ba ngy 10 thng 4 nm 2012 Ton1/ t tnh ri tnh :34548 + 183544385 - 294734548 18354429024385 29471438

Th ba ngy 10 thng 4 nm 2012 Ton85674 - 58329 = ?4 7 6 5 892 3 8 5- 5 43 72 4 khng tr c 9, ly 14 tr bng 5, vit 5 nh 1. 2 thm mt bng 3; 7 tr 3 bng 4, vit 4. 6 tr 3 bng 3, vit 3. 5 khng tr c 8, ly 15 tr 8 bng 7, vit 7 nh 1. 5 thm 1 bng 6; 8 tr 6 bng 2, vit 2.85674 58329 = 27345Php tr cc s trong phm vi 100 000. ..

Th ba ngy 10 thng 4 nm 2012 TonPhp tr cc s trong phm vi 100 000.Bi 1 : t tnh ri tnh.

64852 27539 85694 46528 40271 36045

72644 25586 92500 4181 100000 - 999996485227539-373138569446528-391664027136045-42267264425586-4705892500 4181-88319100000 99999-1

Th ba ngy 10 thng 4 nm 2012 TonPhp tr cc s trong phm vi 100 000.Bi 2 :Mt b c 45 900 l nc. Sau mt tun l s dng, trong b cn 44 150 l nc. Hi mi ngy dng bao nhiu lt nc, bit rng s lt nc s dng mi ngy u bng nhau ?Tm ttC : 45 900 lt nc.Sau mt tun l s dng cn: 44 150 lt ncMi ngy dnglt nc ?Bi gii.Mt tun s dng s lt nc l:45 900 44 150 = 1750( l )Mi ngy dng s lt nc l:1750 : 7 = 250 ( l )p s: 250 l

Th ba ngy 10 thng 4 nm 2012 TonPhp tr cc s trong phm vi 100 000. Bi 3 : Vit tip vo ch chm. Php tr 100000 99999 c th tnh nhm c vTr li.Php tr 100000 99999 c th tnh nhm c v y l hai s t nhin lin tip nn hn km nhau 1 n v, vy: 100000 99999 = 1

Th ba ngy 10 thng 4 nm 2012 TonCch chi: Lp chia thnh 3t, mi t c i din ca t mnh ln lt ln bng lm bi tp, sau thi gian 1pht t no lm nhanh hn v kt qu ng nht th t thng cuc v c cng thm hoa im mi vo tun ang hc ca t mnh.

Th ba ngy 10 thng 4 nm 2012 TonTnh nhm.30000 -( 40000 - 20000) =80000 - 20000 - 30000 =50000 + 1000 + 2000 =70000 - 30000 + 40000 =40000- (20000 + 20000) =100000 - 90000 = T 3(90000 + 10000)- 100000 =10000 + 40000 + 50000 =100000 - 99999 = T 1T 21000030000530000100000180000010000

Cho tm bit. Chc cc thy c v cc em mnh khe.