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数学归纳法是数学证明中非常重要的一种方法,但是学生在学习过程中总会出现许多问题,笔者结合自己的教学实践对于几个常见的易错点简单小结,与同仁们分享交流。一、对于n_0的取值的错误判断和验证例1.证明凸n边行的内角和为(n-2)π.
Mathematical induction is a very important method in mathematics proof. However, students always encounter many problems in the process of learning. The author combined his teaching practice to briefly summarize a few common error-prone points and share the same with colleagues. First, the misjudgment and verification of the value of n_0 Example 1. Prove that the convex n edge of the inner angle and (n-2) π.