X 3 7 5 4 July 8, 2019 16 32 64 128 X 7 3 4x 5 X 3 )( x 7 )- 4x 5 2x 3 x 7 )+ 5 2x 4 3 x 7 )+ 5 x 4 )= 15 3 x 7 )= 5 x 1 )- 4 X 3 5 4 7 2 8 15 2 x 3 7 4 5 2 Х 3 2 7 4 5 4 9 7 x 3 )= 5 4x X 1 5 3 7 4 9 X 3 5 4 0 7 5 x 7 )= 3 x 4 )- 27 5 x 7 )= 3 x 4 )- 13 3 5 7 x 48 3 7 x )+ 5 x 4 )= 9
