4 x 6 4 7 3 July 8, 2019 16 32 64 128 4 6 x 7 3 4 7 x 6 1 4 7 x 3 9 7 4 x 6 5 3 4 8 4 2 6 4 5 x 3 7 9 1 4x 6 4 )- 7 3 4 + 4 = 6 4 x 6/7 4 x 4 x 4 x 4 x 4 6