待定系数法在中学数学解题中的应用摘要： 本文主要讨论待定系数法在中学数学解题中的应用，从而突出待定系数法在中学数学中的实效性.待定系数法是一种求未知数的方法，运用待定系数法有利于数学思想方法在数学课程标准的具体落实.本文将结合自己在中学的教学实践经验以及初中生课堂导学案，采用问卷调查法和分析法详细介绍待定系数法及其应用，待定系数法在初中数学有着非常重要的渗透和应用，例如，代数中的分解因式，分式的计算，求函数解析式，求代数式的值以及在整式乘除法中的应用.最后也提到了本文在研究待定系数法在中学数学解题中的应用存在的不足之处.综述，待定系数法一方面提高了中学数学课堂教学质量，另一方面给学生在计算和理解方面都有很大的帮助.关键词: 数学思想 待定系数法 应用 中学教学Application of undetermined coefficient method in solving middle school mathematics problemsAbstract: This paper mainly studies the application of undetermined coefficient method in middle school mathematics problem solving, and highlights the effectiveness of undetermined coefficient method in middle school mathematics.The method of undetermined coefficient is a method to find the unknown number, and the application of undetermined coefficient method is beneficial to the concrete implementation of mathematics thought method in mathematics curriculum standard.This paper introduces the method of undetermined coefficients and its application in detail by using observation method and analysis method, combining with the experience of teaching in middle school and the real questions in the past years.The undetermined coefficient method is widely used in middle school mathematics, such as decomposing factor in algebra, calculating fractions, finding series general term, finding function analytic formula, solving conic curve equation in geometry.Finally, the attention points of the undetermined coefficient method in the middle school mathematics problem solving are pu...
