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对于分式的化简,若能根据题目的特点,选择不同的方法,可简化运算过程,收到事半功倍的效果.现介绍几种常见的方法,供同学们参考.一、先约分,再通分
As for the simplification of fractions, if different methods can be selected according to the characteristics of the topics, the calculation process can be simplified and the results can be achieved with less effort. Several common methods are introduced for students’ reference. Tongfen