3 5 1 7x 1 4 July 8, 2019 16 32 64 128 3 4x 1 )= 5 x 1 )+ 7x 3x 1 2 4x 3 5 7x 1 10 6 4 3 4 x )- 1 5 7x 1 7 4x 4 5 x 3 7x 1 4x 1 3 5/7 x 1 1/13 5 x 7 = 35
