Đáp án tham khảo có thể sai: 1b, 2a, 3a, 4b, 5b, 6a, 7b, 8a, 9a, 10c, 11c, 12c, 13d, 14b, 15b, 16c, 17b, 18a, 19c, 20e, 21b, 22a, 23c, 24b, 25c, 26b, 27b, 28c, 29c, 30b, 31b, 32e, 33b, 34b, 35a, 36c, 37d, 38a, 39b, 40d, 41b, 42a, 43a, 44a, 45b, 46c, 47a, 48b, 49a, 50a, source : PRJ301 - FA 2023 - FE