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对数学题如何分析,怎样发掘问题的隐含条件等等,已有很多文章讨论过,并且发表了不少精辟的见解。但是这个问题不管怎么讨论,都有一个共同点,那就是“你出题目我来做”,多少带有一点被动的色彩。本文准备讨论另一个问题,即怎样注意数学题的演变。它的确切意思是指如何从一个已知的问题变化到或引伸出另一个新的问题。这就不但要能够解决现成的问题,而且需要由
How to analyze the mathematics problem, how to explore the hidden conditions of the problem, etc., have been discussed in many articles, and published many insightful insights. However, no matter how this issue is discussed, there is one thing in common: that is, “you do what I want to do,” which is somewhat passive. This article is ready to discuss another issue, that is how to pay attention to the evolution of math problems. Its exact meaning is how to change from one known problem to another or introduce another new problem. This will not only solve the existing problems, but also