9 6x2 3 4 July 8, 2019 16 32 64 128 9 6 x 2 3 4 4 9 1 6x2 3 2x 9 4 x 2 6 3 7 2 x 3 6 9 4x 8 5x 6 x 2 9 4 x 3 9 3 4x 7 )=- 2 x 6 4x 6 3 x 9 2 3 4 9 5 6 x 2 15 6x2 9 3 4x2 3 4- 6 x 2(9-5)+1
