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逆推法就是把事情发生的顺序倒过来,通过逆向逐步还原来解决问题的方法.这也是培养同学们逆向思维的好方法,从下面的例子可以看出合理地应用逆推法有时会给我们解决问题带来方便.
The inverse method is to reverse the order of events and solve the problem by reversing gradually. This is also a good way to train students to reverse their thinking. It can be seen from the following examples that the reasonable application of the inverse method will sometimes give us Solve the problem and bring convenience.