假如对于数学习题的评讲有这样两个选择:110个题目,设计好解题思路,让学生也参与到问题的解决过程,一天讲一个,10天正好讲完;210个题目,只是老师讲,一天讲完,10天讲十遍.在平时的教学过程中,我们大多数都是采用的第二种方式.从新授课开始就在讲综合题、高考题,期末复习、高三一轮复习、二轮复习都是在讲这些题,不断地重复昨天讲过的题目.学生第一次听不懂,第二次、第三次、……,总有能听懂的时候,然后 If there are two choices for the commentary of math exercises: 110 questions, designed to solve the problem and let the students participate in the problem solving process, one day talked about 10 days just finished; 210 questions, only the teacher said , One day finished, 10 days to speak ten times .In the usual teaching process, most of us are using the second way.From the beginning of the new lectures on comprehensive questions, college entrance examination, final review, review of the third year of high school , Two rounds of review are talking about these questions, and constantly repeat the topic mentioned yesterday, the first time students do not understand, the second, third, ... ..., there is always understand when