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教学分析【内容解读】高中数学课程标准指出:“高中数学课程应力求通过各种不同形式的自主学习、探究活动,让学生体验数学发现和创造的历程,发展他们的创新意识。在高三有限的时间里,有效提高复习效率,让学生储存的知识升华,这正是教师需要孜孜不倦研究的方法。切线与圆锥曲线问题是高考的热点,其中切点弦的问题更是炙手可热。圆锥曲线以繁琐的化简过程让学生闻风丧胆。如何去处理两者关系将决定问题化简的难
Teaching Content 【Content Interpretation】 The standard of high school mathematics curriculum states: ”The high school mathematics curriculum should strive to explore activities through various forms of independent study and make students experience the course of mathematical discovery and creation and develop their innovative consciousness. Of the time, effectively improve the efficiency of the review, so that students save the knowledge sublimation, which is the teacher needs tireless research methods.Coupling and conic problem is a hot college entrance examination, in which the problem of cutting point chord is hot.Concircuit to cumbersome The process of simplification so that students fear the wind.How to deal with the relationship between the two will determine the difficulty of simplifying the problem