1 5 x 7 3 July 8, 2019 16 32 64 128 1 5 x (- 7 3 8 1 5 7 x 3 4 1 5 ( x 3 7 6 1 5 x 7 3 1 2 1 5 x 2 3 )= 7 15 5 1 2 x 7 3 4 1 5 7 x 3 1 9 1 3 5 x 3 7 16 1 5 7 * x 1 3 10 1 3 x 5 )= 7 3 2x 1 7 5 21 x 7 3 7 1 5 x 3 4 9 3x - 5 - 7 x + 1 1 5x 7 )( 3x 4 3x 1 10 5 7 x 3 70
