tong cua 3 so la 765 Neu lay so thu nhat chia so thu jai thi duoc thuong la 3 du 10 Neu so thu hai chia so thu ba duoc 2 tim tong so thu hai va so thu ba
Tim so co 2 chu so biet rang tong hai chu so cua so do bang 9 va neu lay chu so thu nhat chia cho chu so thu hai thi duoc thuong la 3 va so du la 1
mọi người ơi giúp mik với . Tong 3 so la 766 . Lay so thu nhat chia cho so thu hai thi duoc thuong la 3 .Lay so thu hai chia cho so thu ba thi duoc thuong la 2 . Tim tong so thu hai va so thu ba
tong 3 so la 2012 neu lay so thu nhat chia cho so thu 2 thi duoc thuong la 3 du 2 neu lay so thu 2 chia cho so thu 3 du 2 so thu nhat la
tim 3 so biet chung co tong bang 417 neu giam so thi nhat 17 don vi thi bang tong cua so thu 2 va so thu 3 biet so thu nhat chia cho so thu 3 duoc 3 du 7 tim 3 so
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
Tong cua ba so la so lon nhat co ba chu so. Neu lay so thu nhat chia cho so thu hai thi duoc thuong la 5, du 3. So thu nhat hon tong cua hai so kia la 7 don vi. So thu nhat hon so thu hai la ?
tong 3 so la 58,5 . neu nhan so thu nhat voi 8 , so thu hai voi 4 va so thu ba voi 6 thi cac tich thu duoc deu bang nhau tim 3 so do