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化震为简是数学教学中突破难点的重要方法．所谓化繁为简就是将复杂问题分解成若干个简单问题，从简单问题入手，去解决复杂问题的方法．运用这种方法不仅可解决学生常感困难，不好把握的综合性较强的问题，而且有助于学生形成良好的思维习惯，培养学生利用现有知识分析问题，?
Seismicism is an important method to break through difficulties in mathematics teaching. The so-called deficiencies are simply the decomposition of complex problems into a number of simple problems, starting with simple problems and solving complex problems. Using this method can not only solve the problem that the students often feel difficult to grasp and have a good comprehensive problem, but also help students form good thinking habits and cultivate students to use existing knowledge to analyze problems.