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分类讨论是一种重要的数学思想方法和解题策略,并渗透到整个中学数学的每个章节,一直是高考的热点和重点,由于这类题目综合性强,逻辑性严,探索性开放,自然也是高考的难点．我们在重视分类讨论思想应用的基础上,也要注意克服动辄加以讨论的思维定势,要充分挖掘数学问题中潜在的特殊性和简单性,尽力打破常规,避免不必要的分类讨谂下面通过举
Classification discussion is an important mathematical thinking method and problem-solving strategy, and it permeates every chapter of middle school mathematics. It has always been a hot and important point of the college entrance examination. Because of the comprehensiveness, logicality, and exploratory opening of such topics, Nature is also a difficult point in the college entrance examination. On the basis of attaching importance to the application of the classification and discussion, we must also pay attention to overcoming the tendency of thinking that should be discussed at any time. We must fully unearth the potential particularities and simplicity in mathematics problems, try our best to break the conventions, and avoid unnecessary classifications. Raise