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数学归纳法是中学数学逻辑推理中不可缺少部分,是高考数学的热点,但近年其证明方法发生了三大变化,本文以高考题与自主招生试题为例,对此进行说明.
Mathematical induction is an indispensable part of middle school mathematics logic reasoning, which is a hot spot in mathematics of college entrance examination. However, there are three major changes in its proof methods in recent years.