tim so tu nhien lon nhat viet boi cac chu so khac nhau va tong cac chu so cua no la 15
tim so tu nhien be nhat boi cac chu so khac nhau va tich chu so la 90
Tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no la 26 .
tim so nho nhat duoc viet boi cac chu so khac nhau va tong cua cac chu so do bang 45
tong cua so tu nhien co 4 chu so khac nhau duoc viet boi cac chu so 1,2,3,4 la
Tim so lon nhat đc viet boi cac chu so khac nhau va tich cua no la 42
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 lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 20 .Tim so do ?
tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 6.