1 2x 1 1 3 x 3 4 July 8, 2019 16 32 64 128 1 5 2x 1 )= 1 3 x 4 2 3 4x 1 )-( 2x 1 x 3 )= 1 3x 4 3 2 3 * 4x 1 2x 1 x )/ 3 1 3 * x 4 3
