X 5 5 7 2 3 July 8, 2019 16 32 64 128 5 x 7 )+ 2 3x 4 X 5 - 7 - 3 - 2 = 1 X 5 5x 7 2 3x 1 )- 10x X 5 - 7 - 3 - 2 ≤ 1 5 3 x 5 7 2 3x 5 x 7 2 3 2x 14 2 5 x 7 5 x 3 4 2x 5 7 5 x 3 2 3 2 3 x )+ 5 7 5 x )+ 4x 5 x 7 2 3 0 2 x 5 5 x 7 9 x 3
