27 x 1 9 2x 3 July 8, 2019 16 32 64 128 3 2x 3 9 x 1 27 2x 3 675 27 x 2 9 x 1 3 2x 27 x 9 2x 1 3 x 4 1 81 (- x 9 2x =( 27 3x 2
