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分式的约分与通分是人教版八年级下册第十六章——16.1.2分式的基本性质的后继学习内容。分式的约分与通分是学习分式运算的奠基石,也是学习解分式方程的基础。但这一知识点教科书讲解得简略,许多学生学习时都感到困难,为了帮助学生学习这一知识点以及加深学生对该知识点的认识,我对分式的约分与通分作如下解析:一、分式的约分1.理解分式约分的定义与分数的约分类似,利用分式的基本性质,约去分式的分子
Fractional co-occurrences and pass-throughs are the follow-up learning content of the basic nature of the 16th chapter of the eighth grade of the People’s Education Press. Fractional approxi- mate and common points are the cornerstones for learning fractional mathematics, and they are the basis for learning the fractional equations. However, this knowledge-based textbook is simple to explain. Many students find it difficult to learn. In order to help students learn this knowledge and to deepen students’ knowledge of the knowledge, I will analyze the sub-aspects and divisions as follows: First, the fractional fractions 1. The definition of the fractional fractions is similar to the fractional fractions, and the fractional fractional molecules are used to exploit the basic nature of fractions.