1 3 6x 9 )= 7 July 8, 2019 16 32 64 128 1 3 6x 9 )- 7x 17 5x 1 6x 3 7x 9 2 3 6x 9 )= 1 2 7x 6 7x 8 x 1 4 )= 3 6x 9 )- 8 7 3 6x 1 40 9 10 7. 1/3 * (6x - 1) 7. 1 3 (6x