10x 3 5x 2 2x 1 July 8, 2019 16 32 64 128 10x 3 5x 2 75x 40 2x 1 10x 3 5x 2 1 )/( 2x 3 4x 2 x 2 3 4 5x 2 3 2x 1 10x 4x 5x 2 )-( 10x 3 )( 2x 7 )= 133
