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高一新生在学习立体几何时,会遇到各种障碍。怎样让学生比较顺利地实现从平几到立几的跨越呢?笔者在教学中体会到,适当进行类比、对比,是有效方法之一。
Freshmen will encounter various obstacles when learning stereo geometry. How do we allow students to successfully achieve a leap from flat to several? The author learned from the teaching that proper comparison and comparison is one of the effective methods.