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本文从渗透在教材中的分类思想出发,结合例题阐述了分类讨论的思想,分类的原则,分类讨论的应用,从而体现分类讨论思想在初中数学解题中的作用和地位。
Based on the idea of classification infiltrated in teaching materials, this paper expounds the thought of classification, the principle of classification and the application of classification in combination with the examples to reflect the role and status of the theory of classification and discussion in solving math problems in junior high schools.