3 x 5 2x 1 x )= 15 July 8, 2019 16 32 64 128 X 2 3 x 6 5 2x 1 15 6 3 * 9 x 2 * 15 x 5 2x 1 0 2x 1 5 x 2 3 x 7 15 2x 3 x 5 1 3x 15 x 3 2 X 3 5 2x 4 15 x 5 30 1 2x 7 5 x 3 10 x 1 15 0