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初中数学中的定值问题遍及各个内容的方方面面,它在中考中的地位十分突出,定值问题可以通过各种知识作为背景进行考查,要求考生具备扎实的数学基本功及良好的数学思维能力.因此,定值问题一直是中考的热点问题,本文按初中数学的主干知识为分类基础,以2012年中考试卷中出现的定值问题为实例,探析定值问
The problem of setting value in junior middle school mathematics is covered in all aspects of various contents. It plays a very prominent role in the middle school entrance examinations. The problem of fixed value can be examined through various kinds of knowledge as background, requiring students to have solid basic math skills and good mathematical thinking skills. , The fixed value problem has always been a hot issue in the senior high school entrance examination. Based on the junior middle school math knowledge, the dissertation bases on the classification of the junior high school mathematics knowledge,