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中学数学中分类讨论问题是数学教学中的难点,阐述了引起分类讨论的原因,分类讨论的一般步骤及注意事项,以及如何进行分类讨论教学。
The classification discussion in middle school mathematics is a difficult point in mathematics teaching. The reasons that cause classification discussion, the general steps and precautions of classification and discussion, and how to carry on classified discussions are discussed.