18 2 4 x 8 July 8, 2019 16 32 64 128 4 x 2 8x 18 0 18 9x2 x 2 4 6 8 10 X 4 18 2 81 18 3 8 4 x 2 3 4 x 2 )= 8x 18 B =( 18 9x2 x 2 4 6 8 10 18 - 4 x 2