2 5 2 5 1 7 July 8, 2019 16 32 64 128 2 2 5 1 7 8 2 3 x 1 5 2 5 1 7 2 5 2 7 1 4 2 5 2 3 1 7 2 1 4 x 2 5 1 5 7 1 2 5 x 2 5 7 7 1 2 5 2 5 as a fraction 7 divided by 2 1/5 1 2 х 5 )= 2 5 х 7