复习是教学的重要组成部分,通过复习可以巩固、梳理、整合已学知识,把零散的知识系统化、结构化.因此,复习课是对教学内容的一次系统、全面的回顾与整理,可以达到查漏补缺、深化对所学知识的理解和认识,完善认知结构,促进学生解题思想方法的形成,提升学生综合素质为目的.本文以“基本不等式专题复习”为例,谈谈利用题组及变式进行高效复习的做法.1题组引领巩固双基精心设计复习题组,把数学基础知识、基本技 Reviewing is an important part of teaching. Through reviewing, you can consolidate, sort out and integrate learned knowledge and systematize scattered knowledge. Therefore, the reviewing class is a systematic and comprehensive review and arrangement of teaching contents, which can be achieved To make up for the deficiencies, to deepen the understanding and understanding of the knowledge, to improve the cognitive structure, to promote the formation of students’ problem-solving ideas and methods, and to improve the overall quality of students for the purpose of this article. The use of problem groups and variants for efficient review practices .1 group led the consolidation of the two groups carefully designed review group, the basic knowledge of mathematics, basic skills