3 1 5 х 6 3 7 4 7 July 8, 2019 16 32 64 128 6 3/7 х 3 1/3 / 1 2/7 3 3/7 х = 1 5/7 ( 5 3 − 7 3 )⋅ 6 5 6 3/7 - 5 5/7
