1 7 9 * 1 7 6 July 8, 2019 16 32 64 128 1 7 9 x 1 7 6 1 7 9 ⋅ 1 7 − 6 1 9 6 7 bett 1 9 6 7 Evaluate the expression $ frac 1 7 9 cdot frac 1 7 - 6 $
