bid302

Đáp án tham khảo, có thể sai: 2d, 3d, 4c, 5a, 6a, 7c, 8a, 11c, 12a, 13a, 15b, 16b, 17c, 18bcef, 19c, 22c, 23c, 24a, 25a, 26d, 27b, 29d, 30b, 31a, 32a, 34abdef, 35b, 36a, 37a, 38ac, 39cf, 40a, 41b, 42c, 43d, 44bc, 45a, 46c, 47c, 48c, 49a, 50b, 51d, 52bcd, 53a, 54c, 55b, 56a, 58b, 60d, 61a, 62b...