tim mot so biet so do cong voi so be nhat co ban chu so khac nhau roi tru di so lon nhat co ba chu so khac nhau thi duoc so lon nhat co hai chu so
tim so nho nhat co 4 chu so sao cho khi dem so do chia cho 175 thi duoc so du lon nhat [ giai 2 cach]
tim so nho nhat co 4 chu so sao cho khi dem so do chia cho 399 duoc so du lon nhat co the
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 so be nhat co 4 chu so biet rang lay so do chia cho 28 thi co so du lon nhat
tim so lon nhat co 3 chu so biet rang so do chia co 15 duoc thuong la so lon nhat co hai chu so va so du la so du lon nhat co the trong phep chia do.
tim mot so biet rang so docong voi so lon nhat co bon chu so roi cong tiep voi so be nhat co ba chu so giong nhau thi duoc so be nhat co nam chu so khac nhau
tim 1 so tu nhien co 4 chu so biet rang neu sao tron di 2 chu so cuoi thi duoc so moi be hon
so lon ban dau la 1496
Ti`m so nho nhat co bon chu so sao cho dem chia so do cho 675 thi duoc so du la so du lon nhat.