2 3 x 1 18 2 2x July 8, 2019 16 32 64 128 X 8 2x 2 18 2 x 3 1 2 2x 1 )+ 18 3 x 2 )( 2x k 2 x 13 2 1/2 x 18 2 1/2 x 3 1/2
