Đáp án tham khảo có thể sai:
1a, 2d, 3d, 4e, 5b, 6c, 7b, 8d, 9d, 10c, 11b, 12c, 13b, 14d, 15b, 16d, 17b, 18a, 19a, 20c, 21b, 22c, 23d, 24d, 25a, 26a, 27c, 28a, 29a, 30a, 31a, 32c, 33b, 34e, 35e, 36b, 37e, 38a, 39b, 40c, 41a, 42a, 43a, 44b, 45c, 46c, 47d, 48d, 49e, 50b. Source: MAD101 - C3 - SU...