1 6 2 3 x 8 9 July 8, 2019 16 32 64 128 1 2 3 x 4 5 6 7 8 9 1 1 2 5 6 x 1 3 8 9 8 9 x 4 5 6 1 2 3 1 2 3 4 x 6 7 8 9 6 1 4 x 2 3 )= 9 3 8 1/2 + 1/3 + 1/6