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回顾我们处理数学问题的过程和经验会发现,我们常常是将待解决的陌生问题通过转化,归结为一个比较熟悉的问题来解决,也常常将一个复杂的问题转化归结为一个或几个简单的问题来处理等等。这些方法就是数学上解决问题的基本思想方法——化归。因此我们既要树立问题转化思想,更要总结化归的方法,使问题得以顺利解决。
Recalling the process and experience of our handling of mathematical problems, we find that often we solve the problem of unfamiliar problems to be solved through transformation into a more familiar one, and often transform one complicated problem into one or a few simple Problem to deal with and so on. These methods are the basic method of thinking in solving problems mathematically - to return. Therefore, we should not only establish the thinking of transforming the question, but also summarize the principle of returning the matter so that the problem can be solved smoothly.