3 4 12 1 2x 6 July 8, 2019 16 32 64 128 1 3 6x 12 )= 4 1 2x 1 )- 2 3 4 8x 6 2 12 1 2x 4 6x 3 )= 12 2x 1 3 4 5 2x 6 12 2 4 1 1 2 + 3 4 1 + 12 + 2 + 3