3 7 х 1 5 9 July 8, 2019 16 32 64 128 3 7 1 5 9 3 10 х 2 6 7 х 1 5 9 3 7 x 5 9 x 1 2 7 1 х )+ 3 9 4 5 1 6 3 5 х 7 9 5 1 7 х 3 8 9 (7 1-х)+3 9=4 5 3 3/7 х = 1 5/7 9 3/7 х 1 3/11
