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1. Nội dung hướng dẫn chấm dựa vào những ý chính và sự kiện của Sách giáo khoa LS lớp 9 va
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2. Nếu thí sinh làm theo cách riêng mà vẫn đáp ứng các yêu cầu cơ bản nêu trong đáp án thì vẫn cho đủ
điểm .
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