0 3 x 10 9 July 8, 2019 16 32 64 128 X 3 9x 10 0 3 * 81 x 10 * 9 x 3 0 3 1 4 x 9 10 0 8 X 10 if 91 3 == 0 3 x 0 0 3 x 10 3 x 3 = 9
