10 x 2 7 6 5 July 8, 2019 16 32 64 128 7 10 x 3 2 6 5 7 x 2 )+ 10 (- 5x 6 8 x 7 2 5 10 6 10/7 x 2 10 ×7= 2 10 x 6 / 2