3 1 3 x 2 6 7 July 8, 2019 16 32 64 128 3 1 3 х 2 6 7 1 3 4 x 2 6 7 3 5 8 1 2 x 6 3 4 7 8 2x 7 6 7x 2 3 3 1 x 2 3 8 x 2 6 7 x 1 3 6 3/7 х 3 1/3 / 1 2/7 6 3×1/7
