So tu nhien be nhat cac chu so khac nhau ma tong cac chu so bang 20 la so nao ???
so tu nhien be nhat co cac chu so khac nhau ma tong cac chu so bang 20
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 cac chu so khac nhau ma tong cac chu so cua so do bang 20
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 so do bang 26 la so
so tu nhien lon nhat co 4 chu so khac nhau ma tong cac chu so bang 21 la so nao
so tu nhien lon nhat co 4 chu so khac nhau ma tong cac chu so bang 21 la so nao?
Tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 20 .Tim so do ?