3 3 x 18 July 8, 2019 16 32 64 128 3 (- 3x 3 )=- 18 3 2 3 x 18 3 1 3 x 18 3 5 3 x 18 3 2x 3 x 18 3 3 4 x 18 5x 3 x 3 180 3 2x 1 3 x 18 3 2 x 3 18 5x X 3 3x 18
