20×20 20 x 1 = 20 x 2 = 20 x 3 = 20 x 4 = 20 x 5 = 20 x 6 = 20 x 7 = 20 x 8 = 20 x 9 = 20 x 10 = 20 x 11 = 20 x 12 = 20 x 13 = 20 x 14 = 20 x 15 = 20 x 16 = 20 x 17 = 20 x 18 = 20 x 19 = 20 x 20 =
