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审题是正确解题的一个重要环节。审题时,除了要做到读通、读懂题目,正确理解题意外,还要分析题目并形成正确的解题思路。笔者认为,目标分解法、逆向推理法、图表示意法、过程简化法、虚拟分析法是学生必须掌握的几种析题方法。一、目标分解法所谓目标分解法,即将最终目标分解成多个子目标,通过子目标的实现逐步缩小已知条件与目标之间的差距,使问题一步一步地接近并达到最终目标。对于复杂的问题,一般可采用目标分解法。
Moderation is the correct solution to an important part of the problem. Moderation exam, in addition to reading pass, read the title, correct understanding of the accident, but also to analyze the problem and the formation of the correct problem-solving ideas. The author believes that the target decomposition, reverse reasoning, graphic representation, process simplification, virtual analysis is that students must master several analytical methods. First, the target decomposition method The so-called target decomposition method, the ultimate goal is to break down into multiple sub-goals, through the realization of sub-goals and gradually narrow the gap between the known conditions and goals so that the problem step by step approach and achieve the ultimate goal. For complex problems, the target decomposition can generally be used.