8 x 5 )- 7 2x 3 July 8, 2019 16 32 64 128 2x 8 5 x 7 )- 3x 8 3x 7 )- 3 8 x )= 5 2x 1 5 2x 7 )+ 3 x 4 )= 8 5 x 2 )- 8 7 2x 3 8 2x 5 )= 7 x 3 )+ 11 2x 8 ≤ 3 x 5 7 5 x 7 = 35
