4 x 5 12 2 July 8, 2019 16 32 64 128 4 x (- 5 12 2 6 4 x 5 2x 12 4 7 x )= 12 5 2x 3 x 4 5 12 2 X 5 4 x 5 2 12 0 3 4 x 5 12 1 2 4x 5 12 2x 2 4 5 x 12 1 2 12 4 5 x 15 )= 2 5x 6 9 x 5 * 12 x 4 2x 1 4 15 5 12 x 8 25 2 2x x 4 )+ 5 x 2 12 3 8 x 5 )- 4 x 2 )= 12 14 x 0 5 4 2x )+ 12 12 4 5 x 20 1 4