Tìm hiệu của so thap phan lon nhat co cac chu so le khac nhau va so thap phan nho nhat co cac chu sochan khac nhau . Hieu can tim la

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 tong cua 2 so thap phan biet so thap phan thu nhat co phan nguyen la so lon nhat co mot chu so va phan thap phan la so lon nhat co 2 chu so khac nhau , so thu 2 hon so thu nhat 17,3.

tim so thap phan nho nhat co cac chu so khac nhau ma  tich cac chu so la 40

hay viet so thap phan nho nhat co 10 chu so khac nhau va so tu nhien nho nhat co 10 chu so khac nhau

Cac chu so phan muoi, phan tram, phan nghin cua mot so thap phan co 3 chu so o phan thap phan la 3 so le lien tiep . Tong cac chu so o phan thap phan bang phan nguyen cua so do, cac chu so o phan nguyen va phan thap phan deu khac nhau . Tim    so thap phan do ?

So thap phan nho nhat co cac chu so khac nhau sao cho tong cac chu so bang 20

cac so thap phân co phan nguyen bang nhau, phan thap phan moi so co mot chu so khac 0 va khac nhau. hoi tich cua tat ca  cac so do co phan thap gom bao nhieu chu so

tim so thap phan be nhat  co cac chu so khac nhau co tich cac chu so la 90