2 1 6 x 7 1 5 July 8, 2019 16 32 64 128 2 1 6 x 7 4 5 1 5 2 1 6 x 8 1 7 12 2 5 (- 3 7 )- 1 6 x 3 2 1 14x2 5 2 5x (- 3 7 )- 1 6 x 3 2 1 14x2 5 2 3 1 7 x 5 6 1 12 2 (- 1 x )- 7 1 x )= 6x 5 4x 2 1 3 1 5 6 x 20 3 7 1 3 7 1/2 - 6 1/2 2 1/2 x 6
