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.
Tim mot so biet rang neu giam di 6 lan thi duoc 1/3 cua so lon nhat co 3 chu so
tim mot so biet rang gap so do len 6 lan roi cong voi 3 thi duoc so tu nhien lon nhat co hai chu so
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
tim mot so biet rang neu lay so do nhan 8roi tru di tich cua so do voi 5thi duoc so lon nhat co ba chu so.
tim mot so biet rang so do tru di so lon nhat co hai chu so thi duoc so lien sau cua so benhat co bon chu so khac nhau
tim mot so co 2 chu, biet rang neu giam so do di 3 lan thi duoc mot so co 2 chu so .so nay co tong cua 2 chu so la 15 va chia het cho 8
bài 1: a) binh nghi ra mot so .Biet rang so lon nhat co hai chu so hon so do la 65.tim so binh da nghi.
b) an nghi ra mot so. biet rang so do be hon so be nhat co ba chu so la 15. tim so an da nghi.
bai 2: tu ba chu so 5, 2, 3 an lap duoc so lon nhat va so be nhat co mat du ba chu so do , roi tinh hieu hai so vua lap duoc . hieu do la bao nhieu ???nhanh len nhe mik dang can rat gap
tim mot so neu so do chia cho 4 thi duoc ket qua bang dung so chan lon nhat co 3 chu so
