Tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 20 .Tim so do ?
tim so tu nhien nho nhat co 3 chu so khac nhau ma tong cua cac so do la 14
tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 6.
so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 13 la
so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 30
tim so tu nhien be nhat co cac chu so khac nhau ma tong cua cac so do bang 20
tim so tu nhien be nhat co 3 chu so khac nhau ma tong cac chu so bang 14
tim so tu nhien be nhat co cac chu so khac nhau ma tong cac chu so cua so do bang 20
Tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no la 26 .