tinh hieu cua so lon nhat co 6 chu so khac nhau va be nhat co 6 chu khac nhau

viet so be nhat co 6 chu so hang nghin la 8 chu so hang chuc la 5

mot phep chia co so chia la so chan nho nhat co 3 chu  so khac nhau thuong la so be nho nnhat co hai chu so khac nhau voi so du la so chan nho nhat co hai chu so giong nhau tim so bi chia

tim mot so thap phan ma o phan nguyen la so chan be nhat co 3chu so khac nhau , phan thap phan la so le lon nhat co 2 chu so khac nhau

Tim 2 so biet tong cua chung la so lon nhat co 4 chu so khac nhau va hieu la so be nhat co 4 chu so

cho 4 chu so:8;4;6;2

 hieu cua so lon nhat co 4 chu so khac nhau va so be nhat co 4 chu so khac nhau dc lap tu cac chu so tren la

tong cua so be nhat co 5 chu so khac nhau voi so chẵn nho nhat co 4 chu so la

trung binh cong cua hai so la so lon nhat co ba chu so biet so lon la so nho nhat co bon chu so khac nhau vay so be la................

so be nhat co cac chu so khac nhau chia het cho 2 co tong cac chu so la 28

cho 3 chu so khac nhau va khac 0 co the lap duoc bao nhieu so khac nhau tu ba chu so do biet tong chieu cac so do la 3330 hieu so lon nhat va be nhat la 549 tim 3 chu so do