11 6 2 x 3 1 July 8, 2019 16 32 64 128 11 x 4 6 3 13 2 1 2 x 6 11 x 3 5 11 9 7 6 x 2 1 3 X 2 6 11 x 3 1 4 3x 4 9 X 2 6 11 x 3 1 4 11 9 7 phần 6 x 2 1 3 1 3 pi 6 2 x 11 11 - 6 2/3 11 х 3 11 6×2 15