这是一堂初中数学试卷分析课。铃声响了,老师微笑着,缓缓走上讲台。“同学们,这次数学毕业会考,全班五十四位同学全部及格。八十分以上的有四十八人,其中三十七人在九十分以上。”“这堂是试卷分析课,请同学们围绕两个问题对逐个试题发表意见:一是该题考查了哪部分知识?指哪些基本概念、原理、运算法则等等;二是解题过程中容易产生什么错误?” This is a junior high school mathematics papers analysis class. The bell rang, the teacher smiled and walked slowly to the podium. “Students, this math graduation examination, the class of 54 students all pass 80 or more of the forty-eight people, of which thirty-seven over ninety.” "This is the test paper analysis class, please Students focus on two questions on one by one on the test questions: First, the question examines what part of the knowledge? What are the basic concepts, principles, algorithms and so on; Second, the problem-solving process prone to errors?