1 5 9 x 1 5 7 July 8, 2019 16 32 64 128 3 1 9 x 1 5 7 1 5 9 x 2 1 7 3 1 9 x 1 5 7 as a fraction 5 1 + -9 9 1-9 математика 1) 5/7 = x / 91 1 5 x 9
