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分类讨论思想是数学思维的重要思想,而分类讨论思想是人们解决问题的最高思想境界,分类思想在历年的数学高考中都有所考查,如2007年普通高等学校招生全国统一考试(广东卷)考到:
Category discussion thinking is an important thinking of mathematical thinking, and classified discussion thinking is the highest ideological level that people solve the problem. The classification ideology has been examined in the mathematics college entrance exams over the years. For example, the General Examination for Entrance Examination of Colleges and Universities in 2007 (Guangdong Volume) passed: