7 1 3 8x 6 July 8, 2019 16 32 64 128 X 7 1 8x 3 17 6 5x 2 7 8x 4 )- 3 1 4x 6 7 2 3 8x )= 4 6 1 5x 7 1/8 - 3 5/6
