3 5 x 25 12 July 8, 2019 16 32 64 128 3 *( 2 5 x 12 25 25 x 3 5 x 1 12 125 3 x 5 )= 25 105 3 x 25 120 (- 5 )) 12 25 5 x 3 300 3 5 x 25 12 5 x 38
