1 6 1 3 2 7 July 8, 2019 16 32 64 128 6 1 3 2 7 8 5 6 1 3 2 7 6 1 3 (- 7 2 9 1 2 1 6 x 3 )= 7 1 2 1 6 y 1 3 0 7 y 5 1 1 6 2 3 7 x 5 6 5 6 1 5 1 n )= 3 2 (- 6 7n 6 1 3 7 1 2 as a fraction