5 3 5 7 2 July 8, 2019 16 32 64 128 5 3 5 7 1 2 5 3 x 5 7 2 3x 3 5 7 20 3 5 7 25 7 * 5 3 )+( 5 * 2 4 3 5 7 21 5 3 7 2 1 4 3 5 7 2n 1 3 5 7 23 5 3 7 2 )- 9 5 3 7 2 8 3 5 x 7 5 2 x 3 5 7 2 10 3 5 7 2 as a fraction