5 3 5 7 4 July 8, 2019 16 32 64 128 3 5 5 7 4 8 5 3 5 x 7 4 5 (- 3 2 )- 7 5 4 5 3 7 5 1 4 5 3 * 6 5 4 * 7 3 5 7 4 6 8 3 5 7 40 3 5 7 4 1 2 3 5 7 4 in fraction 3 5 7 4 9 5 3 5 x 2 4 7 3 x 1