3 4 x 9 12 July 8, 2019 16 32 64 128 9 3 4 4x 12 3 5 x 12 )=- 4 x 9 )+ 1 X 4 4x 3 2x 2 12x 9 0 3 * 16 x 12 x 4 * 9 x X 4 4x 3 12x 9 4 7 x 9 12 3 7 2 1 3 4 9 x 12 8x 17 x 3 )= 4 4x 9 )+ 12 12 3 4 x 9 1 2 3 4x 4 )= 2 5x 9 )- 12 3 4x 3 x 9 )=- 12 3 8 x 4 9 1 12 3 x 4 2x 9 12 x 2 12 3 x 4 9 8 2 3 x 9 vs 4 x 12 scope