bai 12:Mot vuon co so cay buoi bang 1phan2 cay cam,biet so cay cam bang so chan lon nhat co 3 chu so.Hoivuon do co tat ca bao nhieu cay buoi va cam?

bai 13:tim tich cua so nho nhatco ba chu so khac nhau voi so chan lon nhat co mot chu so.

bai 14:tim mot so,biet rang giam so do di 5 lan sau do them 10 don vi thi duoc so le nho nhat co hai chu so.

bai 15:tim mot so biet rang neu gap so do len 4 lan,duoc bao nhieu lai gap len 6 lan thi duoc 360.

bai 13 :tim tich cua so nho nhat co ba chu so khac nhau voi so chan lon nhat co mot chu so.

bai 14 :tim mot so,biet rang neu giam so do di 5 lan sau do them 10 don vi thi duoc so le nho nhat co hai chu so.

bai 15 :tim mot so biet rang neu gap so do len 4 lan,duoc bao nhieu lai gap len 6 lan thi duoc 360

tim mot so ,biet rang layso do chia cho so chan lon nhat co mot chu so thi duoc so le nho nhat co nam chu so.ban nao nhanh tay to 1like va o moi bai khac nhanh tay len chuc cac ban nhan duoc like cua minh.Co len cac ban.

tim 1 so ,biet rang lay so do chia so chan lon nhat co 1 chu so thi dc so le nho nhat co nam chu .giup to nha cam on rat nhieu

tim mot so biet rang lay so do cong voi so lien truoc so lon nhat co mot chu so thi duoc so 82

Tim mot so biet rang neu tang so do len 2 lan thi duoc 1/4 cua so chan lon nhat co mot chu so

tim so chia cua mot phep chia , biet rang : so bi chia 410, so du bang 19

a) tim mot so co hai chu so va neu lay so do chia cho chu so hang don vi thi duoc thuong la 8 va du 7

b) tong cua hai so bang 196 . tim hai so do

c)tim so co 3 chu so , biet rang neu viet them mot chu so 3 vao ben phai so do thi no tang them 2217 don vi 

mẹ nghi ra mot so biet rang lay so do nhan 9 thi duoc thuong la so lon nhat co bon chu so Tim so mẹ nghi

Tim mot so biet rang neu lay so do nhan 8 roi tru di tich cua so do voi 5 thi duoc so lon nhat co ba chu so