12 2 4 5 7 July 8, 2019 16 32 64 128 2 4 3x )+ 12 7x 5 2x 7 5 7 12 m 2 4 9 12 2 x 4 )= 7x 5 5x X 4 (- 12 (- 2 (- 7 (- 5 2 4 5 divided by 7 12 7x 9 5 )- 12 4 2 7 12 divided by 1 2 4 5 12 1 2 5 7 of 4 2 3
