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除杂题在中高考考试中都是必考的知识点之一,掌握除杂题解题技巧,是中学生学习化学的一大重点,也是一大难关。
Removal problems in the college entrance examination in the examination are the knowledge of one of the points, master problem solving skills problems, is a major focus of secondary school chemistry, but also a major difficulty.