5 7 x 1 2 3 July 8, 2019 16 32 64 128 7 5 x 1 3 2 8 Y 5 7 x 1 3 2 4 9 1 5 7 x 2 3 4 5 x 1 )- 7x 2 3x 6 2 5 x 7 1 3 4 7 x 5 6 1 2 3 5 7 x 1 2 3 15 7 x 1 3 3 5 7 9x 1 3 )= x 2 1 3 7 x 5 )+ 1 2 3 2x 1 3x 2 5 7 2x x 1 2 3 5x 7 x 4 1 2 5 4x 8 X 5 5x 7 2 3x 1 )- 10x 5 2 x 7 )= x 1 3x 7 2 )= 5 x 1 2 )+ 35 5 6 7 9 x 4 3 1 2