本文从一道高二物理题目的不同解法讲起,分析了另一种被人忽视的解法。在反复思考后,本文得到了几点课堂的感悟和启发,明确了学生学习目的是掌握解决问题的能力。各门课程都应该跳出局限,提升高度,培养学生的能力。真正成功的教育是学生能够用最简单的知识解决最复杂的问题。 This article begins with a different solution to the problem of sophomore physics and analyzes another neglected solution. After repeated thinking, this article got some insights and inspiration in the classroom, made clear that the purpose of student learning is to master the ability to solve the problem. All courses should jump out of the limits, improve the height and develop students' abilities. A truly successful education is that students are able to solve the most complex problems with the simplest of knowledge.