Question

英语翻译在中学数学竞赛中,换元法作为一种重要的解题方法,有着能够将数学问题化繁为简,化难为易的作用.本文论述换元法在中学

Answer 1

In middle school mathematics competition, as an important problem-solving by substitution method,Conversion method has the role of transform the math problems to simplify and easy.This article discusses conversion method application in middle school mathematics competition in several ways, primarily from its own substitution, partial substitution, as a whole, often value-for-dollar, mean substitution, parameter substitution, substitution ratio conversion and functional classifications such as eight Exposition. 大体是这样,您看,满意吗,不满意的话,抱歉.