6 7 x 1 2 ⋅ 14 3 July 8, 2019 16 32 64 128 6 7 x 1 2 x 14 3 1 3 7 6 x 9 14 2 3 2 14 x 6/7 6 3/7•14 6 1 - 7 2 / 2 2 6/7 + 1/14
