1浮光掠影,落花无情有的教师总是抱怨做过的题目学生还是不会做,认为是学生太笨太懒,殊不知,其中的根源就出在我们自己身上.在学生做过练习或考完试后,教师对学生错题的讲解过程,是学生掌握知识,提高解题能力的重要环节.教师在试卷讲评时或许会有以下一些误区,以致浪费了错题暴露出来的问题,没有挖掘出错题隐藏的教育价值. 1 floating glimpse, falling flower ruthless Some teachers always complain about the problems the students still do not do, that the students are too stupid too lazy, I do not know, of which the root cause lies in our own body. After teachers explain the process of student errors, is an important part of the students to master knowledge and improve the ability to solve problems. Teachers in the papers commentaries may have the following errors, resulting in a waste of problems exposed problems, did not dig the wrong question Hidden educational value.