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函数是中学课程中最重要的一个部分,世界上一些国家的中学数学课程中的代数部分,已经将研究重心由原来的解方程逐渐转向研究函数,同时,很多教育学者也提出了“以函数为纲”的数学课程理念.我国《全日制义务教育数学课程标准(试验)》中提出了函数是刻画现实世界中数量关系的重要模型,是解决现实生活中问题的重要工具,要让学生在学习过程中通过对函数的认识了解变量之间的变化规律,认识到函数的应用价值,加深对现实世界的认识.尽管在数学教学过程中开始增
The function is the most important part of the middle school curriculum. Algebraic parts of the middle school mathematics curriculum in some countries in the world have gradually shifted the research focus from the original solution equation to the research function. At the same time, many educators also put forward the concept of " As the key link in the course of mathematics curriculum in our country.We put forward that the function is an important model to describe the quantitative relationship in the real world and is an important tool to solve the problems in real life, Through the understanding of the function in the learning process to understand the law of variation between variables to recognize the value of the application of the function and deepen the understanding of the real world.Although in mathematics teaching process began to increase