2x 3 4 x 1 12 July 8, 2019 16 32 64 128 3 2x 1 )= 12 2 x 4 2x 3 7 12 x 4 1 5 4x 5 13 2x 3 x 1 )= 4x 12 3 2x 5 )- 12 4 x 1 )+ 3 2 x 13
