ĐÁP ÁN MÃ ĐỀ 635 1A, 2B, 3B, 4D, 5D, 6A, 7A, 8A, 9A, 10C, 11A, 12D, 13D, 14C, 15B, 16A, 17A, 18A, 19A, 20A, 21B, 22A, 23B, 24D, 25C, 26D, 27C, 28C, 29B, 30C, 31D, 32D, 33B, 34D, 35C, 36C, 37D, 38C, 39B, 40D, 41B, 42A, 43D, 44D, 45D, 46B, 47B, 48D, 49B, 50D