11 4 x 8 14 x 7 11 July 8, 2019 16 32 64 128 11 4 x 8 14 x 7 11 x 5 3 Tính nhanh 11 4 x 8 14 x 7 11 x 5 3 11 4 x 8 14 x 7 11 x 5 13 14 x 11 x 4 14 x - 4 x - 2 8 = 11 2 14 x 7 11 x 1 8 11 x 4 - 4
