phan be nhat duoc viet boi cac chu so khac nhau ma tong cac chu so cua so do bang 7 la so
tim so tu nhien be nhat viet boi cac chu so khac nhau va tong cac chu so cua no la 25
tim so tu nhien lon nhat viet boi cac chu so khac nhau va tong cac chu so cua no la 15
tim so lon nhat viet boi cac chu so khac nhau va tich cac chu so do bang 42
tim so lon nhat duoc viet boi cac chu so khac nhau va tich cac chu so la 42
so thap phan be be nhat duoc viet boi cac chu so khac nhau ma tong cac chu so do la 7
tim so tu nhien lon nhat co chu so khac nhau biet so do bang tong tat ca cac so co hai chu so khac nhau duoc lap tu chu so cua so do
tim so tu nhien lon nhat co chu so khac nhau biet so do bang tong tat ca cac so co hai chu so khac nhau duoc lap tu chu so cua so do
tim so tu nhien lon nhat co chu so khac nhau biet so do bang tong tat ca cac so co hai chu so khac nhau duoc lap tu chu so cua so do