3 7 х 6 11 July 8, 2019 16 32 64 128 3 7 x 6 11 3 7 6 11 3 7 6 11 8 3 7 6 11 8 by 21 5 22 6 3/11 + х = 10 6/7 6 3×7 6 3/7 х 3 1/3 / 1 2/7 11 х 3
