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