5 2x 1 )= 6x 13 July 8, 2019 16 32 64 128 5 2x 1 )+ 6x 13 3 3x 2 16 6x 5 1 2x )- 13 5 2x 1 )- 2 x 2 )= 6x 13 6x 2 13x 5 2x 1