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与“√ˉ”有关的学习知识一直是学生学习的一个弱点,从初中的根式(无理式)的理解到高中的许多化简和最值问题,从新高考前的无理不等式和一些数形结合的问题到新教材中与“根式”有关的一些运算和理解,学生依然在一定程度上感觉困难.在多年的教学经验的基础上对有关根式的理解和处理进行剖析,希冀对学生的学习有一定的帮助.
Learning knowledge related to “√ˉ ” has always been a weak point of students’ learning. From the root (unreasonable) understanding of junior high school to many simplifications and the most value problems in senior high school, from the irrational inequality before the new college entrance examination and some figures Combination of the problem to the new textbooks and “root ” related to some computing and understanding, students still feel a certain degree of difficulty.On the basis of many years of teaching experience on the root understanding and handling analysis, hoping to students Learning has some help.