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函数中的对称问题是历年高考热点内容之一.这类问题涉及的基本方法和常见题型,现行教材中没有系统地研究,现结合近年高考试题,作较为详细的介绍,供参考.
The symmetry problem in functions is one of the hot topics in college entrance exams over the years. The basic methods and common questions involved in such problems are not systematically studied in the current textbooks. Now they are combined with the examination questions in recent years for more detailed introduction for reference.