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分式方程的增根问题比较抽象,学生一直难以理解.运用解分式方程的方法去解一个无解的一元一次整式方程,结果得到无数个“增根”.再回顾分式方程增根产生的原因,同时介绍检验的三种方法和简便检验分式方程根的由来.
The problem of multiplication of fractional equations is rather abstract and students have been hard to understand .Using the method of resolving equations to solve a unary solitary integral equation, the result is numerous “rooting.” Root causes, at the same time introduce three methods of testing and easy to test the origin of the root of fractional equation.