4 9 x 3 8 x 2 7 July 8, 2019 16 32 64 128 4 2 x2 )- 3x x 3 )= 8 9x 7x2 4 9 x 3 8 x 2 7 x 1 6 X 1 10 x 2 9 x 3 8 x 4 7 6 x 3 2 x 7 8 4 9 9 x 8 = 9/4 x 8