论文部分内容阅读
中学数学教学大纲(修订草案)所规定的几何教学的一个重要目的:“在于系统地研究几何图形的性质,应用这些性质解计算题和作图题。”高一下平面几何第三章“三角形及圆中各线段的相互关系”的教学中,综合运用几何和代数知识、用代数方法布列方程,可以解一系列较复杂的几何计算题和作图题,这不但可以培养学生“解决数学问题的时候,广泛地运用数学各方面知识的能力,而且使他们掌握解几何题的灵活、简捷的技巧。
An important purpose of geometry teaching as defined in the secondary school mathematics syllabus (revision draft) is “to systematically study the nature of geometrical figures and apply these properties to solving computational and graphical problems.” In the teaching of the interrelationships between the lines in the circle, a comprehensive use of geometric and algebraic knowledge and the use of algebraic methods to solve equations can solve a series of more complex geometric calculation problems and drawing problems. This can not only train students to solve mathematical problems. At the time, the ability to use all aspects of mathematics is widely used, and they are given the flexibility and simplicity of solving geometric problems.