8x 6 7x 3 1 July 8, 2019 16 32 64 128 8x 6 7x 3 1 0 8x 6 (- 5x 3 )= 18 7x 10x 6 7x 3 8x 10x 6 7x 3 8x 180 7x 6 3 2x 1 8x
