从教以来,曾经去过好多省、市的著名中学去参观、学习,发现对于高三数学的复习,大多数的学校仍然用的是题海战术,我一直在思考,真的只能这样吗?在平时的教学中,另一种现象也曾经一度让我迷惘:为什么在平时的练习或考试中,有些题目是讲过的、做过的类型题,但是对于有些中档题或难度稍大一些的题,却仍有不少学生不会答呢?带着这些疑惑我和很多学生交流过,当时这道题听懂了吗?回答都是听懂了,我想,为什么忘得如此之快呢?那些习题可都是自己课前精心准备的,解题方法总是选择最简洁的,而且每次 Since teaching, I have been to many well-known high schools in many provinces and cities to visit and study. I found that for the review of the third math, most schools still use the sea tactics. I have been thinking for a long time. Is this really the case? In normal teaching, another phenomenon has once let me confused: why in the usual practice or examination, some topics are talked about, type of questions done, but for some mid-range questions or slightly more difficult questions , But there are still many students will not answer it? With these doubts, I and many students have exchanged, when the problem understood? The answer is understood, I think, why forget so fast? Those exercises are carefully prepared before their class, the problem-solving method is always the most simple choice, and each time