(- 1 2 7 x 1 5 9 July 8, 2019 16 32 64 128 7 1 2 х 1 5 9 9 25 х 2 1 7 х 1 5 9 1 2 x 1 3 5 x 2 7 9 Multiply 1 2 x 1 3 5 x 2 7 9 1 2 x 1 3 5 x 2 7 9 as a fraction
