18 x 7 18 x 3 July 8, 2019 16 32 64 128 18 x 7 x 18 3 4 X 7 )( 18 x 3 )= 0 18 into 7 3 18 x 7 18 x 3 18-x 7 18 x 7 1/2 18 × 7
