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最近观摩了一个“同课异构”教学研讨活动,其中有两节“数学归纳法”课.听课后,觉得其中有两个问题值得讨论.一、如何理解“…”和n的含义
Recently, I watched a teaching activity called “Heterogeneous Feelings in the Same Class”, in which there are two sections of “Mathematics Induction.” After class, I think there are two problems worth discussing. And the meaning of n