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分类讨论是一种重要的数学思想方法,下面举例说明对于判定相似三角形问题,在什么情况下,必须进行分类讨论,才能防止“漏解”.
Category discussion is an important mathematical thinking method, the following examples illustrate the similar triangle to determine the question, under what circumstances must be classified discussion, to prevent “leakage solution ”.