2 2 2x 8 July 8, 2019 16 32 64 128 2 2x 2 )- 8x 2 2x 2 8 x 2 3x 2 2x 8 2 x 2 2x 8 1 2 3 x 2 )= 2x 8 6x 2 2x 2 80 X 2 2x 2 8x 2 2x 2 x 8 0 2 2x 2 x 1 8 0 X 2 y 2 2x 8 2 x 4 )= 1 2 2x 8