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一般学生在解完一道习题后,即核实答案是否正确、检查推理是否合理严密,回顾解题过程中所涉及到的知识和方法是否正确.这样做是很必要的,但是仅仅满足于此,其收获还是有限的.我们还要进一步思考:这道题是否还有其他解法?它能否再引伸、拓广?它的结论有什么作用?这样处理起来,不仅能使学生熟练掌握物理知识和物理方法,更有益于提高学生分析问题、解决问题的综合能力.
After solving an exercise, students generally verify that the answer is correct and that the reasoning is reasonable and reasonable. It is necessary to review whether the knowledge and methods involved in the process of solving the problem are correct. This is necessary, but it is only satisfied. The harvest is still limited. We must further think: Is there any other solution to this question? Can it be extended and expanded? What is the effect of its conclusion? This way, it can not only enable students to master physics knowledge and physics The method is more conducive to improving students’ comprehensive ability to analyze problems and solve problems.