4 5 1 4 7 2 July 8, 2019 16 32 64 128 5 1 4 7 2 3 4 1 5 x 4 2 7 4 1 5 times 4 2 7 5 1 4 2 7 8 5 1 4 2 7 8 in fraction 4 5 * 1 2 * 7 9 5 2x 1 4 7 3 4 4 5 2x (- 1 4 7 )= 11 4 4 z 2 )- 1 5 7 4 z
