3 x 6 3 10 2 8 July 8, 2019 16 32 64 128 9 10 x 3 8 2 6 3 2 3x 6 3 )- 10 2 8 3/6 x 8 6 3 x 10 3 - 3 x 6 3 x 3 = 9