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中学数学教学中的辩证教育因素李晓明中学数学教学中蕴涵着丰富的辩证法基本规律教育因素，本文仅从以下三方面举例说明之。１、对立统一规律中学数学中有许多矛盾着的对立面相互依存，又相互制约、相互转化的事例．如，平行线的教学中，既认识到平行是相交的否定，又必须...
The dialectical education factor in middle school mathematics teaching Li Xiaoming middle school mathematics teaching contains rich dialectic basic law education factor, this article only exemplifies the following three aspects. 1. The law of the unity of opposites There are many contradictory examples in the middle school mathematics in which the opposites are interdependent, and they are mutually restricted and transformed. For example, in the teaching of parallel lines, both realize that the parallel is the negation of the intersection, and must also ...