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这部分知识内容涉及的考点主要有:整式与分式的概念和运算,因式分解和分式的基本性质.试题难度为低、中档,题型多为选择题、填空题、计算题的形式出现,着重考查基础知识、基本技能和基本方法.近年来中考的热点是化简、求值的考查,旨在让学生通过探索灵活、简捷的解法,提高分析问题的能力.因此在备考时,要抓住概念、运算等基础性知识,理解幂的运算性质,并注意比较各公式之间的联系和差别,防止错用、
This part of the knowledge content of the test sites are: the concept and operation of the whole and fractional, factorization and fractional basic nature of the difficulty of the test is low, mid-range, multiple choice questions, fill in the blank form, calculation form Appear, focus on examination of basic knowledge, basic skills and basic methods.In recent years, the focus of the examination is to simplify, evaluation of the test, designed to allow students to explore through flexible, simple solution to improve the ability to analyze problems.Therefore, We should seize the basic concepts such as concepts and operations, understand the nature of the computing power, and pay attention to compare the differences between the various formulas to prevent misuse,