ĐÁP ÁN L N 102: 1B; 2B; 3C; 4C; 5B; 6A; 7C; ẦN 102: 1B; 2B; 3C; 4C; 5B; 6A; 7C; 8A; 9D; 10B 11A; 12B; 13D; 14B; 15C; 16D; 17C; 18A; 19A; 20D 21A; 22D; 23D; 24B; 25A; 26C; 27D; 28B; 29A; 30D 31C; 32A; 33D; 34C; 35D; 36C; 37C; 38D; 39A; 40B 41B; 42C; 43A; 44C; 45C; 46D; 47B; 48B; 49A; 50D Đ chia ề chia
đ u đáp án: 12A; 12B; 13C và 13D ề chia