论文部分内容阅读
拜读《中小学数学》(初中版)2010年第7-8期《函数概念学习中常见的错误与分析》一文,深受启发.作者以详实的材料,从三个方面,对函数概念学习中常见的错误进行了深入分析,例子典型、归纳全面,令人佩服,但有个别例子(如例3)的分析差强人意.编辑老师已敏锐地察觉到这个瑕疵,并作出提示,为笔者肯定自己的想法,进而比较深入地思考这个问题提供了动力.例3叙述如下:下列关系是函数关系的是().
Read “primary and secondary mathematics” (junior high school edition) 2010-7-8 “function of the concept of learning common mistakes and analysis,” a article, inspired by the author with detailed materials, from three aspects of the concept of function in learning Common mistakes have been analyzed in depth, examples of typical, comprehensive, admirable, but the analysis of individual examples (eg Example 3) unsatisfactory editing editor has been acutely aware of this flaw, and to prompt for the author affirmed his Ideas, and then provide deeper motivation to think about this problem. Example 3 is described as follows: The following relationship is a function of the relationship between ().