1 3 1 6 2 7 July 8, 2019 16 32 64 128 3 1 6 2 7 9 3 1 6 7 2 5 3 1 2 x 1 6 7 3 2 1 2x 10 3 )= 1 6 7x 10 1 2 1 6 y 1 3 0 7 y 5 1 3 pi 6 2 7 1 5 1 n )= 3 2 (- 6 7n