1 5 x 7 1 2 July 8, 2019 16 32 64 128 1 5 7 x 2 1 3 1 5 7 x 2 1 4 5 1 7 х 1 8 27 5 7 x 1 2 as a fraction 7 1 5 x 2 1 6 1 2 5 x 1 7 8 5 x 1 )= 7 2x 1 x 1 7 2 5 10 1 3 5 2 4 5 x 7 1 2 21 1 3 x 5 x 7 1 3 1 3 x 7 )= 1 1 5 3x 2 1 2 x 3 5 x 1 7 8 5 x 1 )+ 7 ≤ 1 3 x 2 1 5 x 7 25