1 3 5 х 2 4 7 July 8, 2019 16 32 64 128 1 3 5 2 4 7 5 3 x 1 2 4 7 1 3 7 х 2 4 5 2x 1 3 5 3x 2 x 7 4 1 1 3 5 2 9 х 4 7 1 3 5 4 2 7 solution 1/5 + 2/3
