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函数是中学数学的一个重要概念,它渗透在教学的各部分内容中,一直是高考的热点、重点内容,函数的思想就是用运动变化的观点,分析和研究具体问题的数量关系,建立函数关系,运用函数的知识使问题得到解决,这种思想方法在于揭示问题的数量关系的本质特征,重在对问题的变量的动态研究,从变量的运动变化,联系和发展角度
Function is an important concept of high school mathematics. It infiltrates the content of each part of teaching, which has always been the focus and content of the college entrance examination. The thought of function is to analyze and study the quantitative relationship of specific problems with the viewpoint of sports change, , The use of knowledge of the function to solve the problem, this way of thinking lies in revealing the nature of the relationship between the quantitative characteristics of the problem, focusing on the dynamic variables of the study, from the variable changes in the relationship between mobility and development