6 9 x 3 18 July 8, 2019 16 32 64 128 6 2x 9 18 2x 3 x 3 6 (- 9 ) x 5 18 (- 3 18 6 9 x 1 3 9 2x 6 )-( x 3 )= 4x 18 9 9 x 3 18 2 x 6 9 9 x 3 18 chia 2 x 6
