试卷讲评是数学教学中常见的教学方式.其主要作用在于,通过试卷讲评帮助学生分析前一阶段的学习情况,查漏补缺、纠正错误、巩固双基,并且在此基础上寻找产生错误的原因,从中吸取失败的教训(包括听课、审题和做题的方法与习惯等等),总结成功的经 Paper review is a common teaching method in mathematics teaching, whose main function is to help students to analyze the learning situation of the previous stage, find out the gaps, correct mistakes, consolidate the double bases, and find out the reasons for the mistakes , Draw lessons from failure (including lectures, exams and questions on the methods and habits, etc.), summarizes the successful experience