一元二次方程是初中代数的学习重点，也是今后进一步学习数学知识的基础，因此，在中考试卷中，它往往作为重点来考查．为了帮助同学们进一步掌握一元二次方程的知识，防止解题时出现错误，本文选取部分中考试题中的措解，分析如下．一、未拜提报与系数的关条例1设x1、x2是方程 The one-dimensional quadratic equation is the learning focus of junior high school algebra, and it is also the basis for further study of mathematics knowledge. Therefore, it is often used as a key point in the examination paper. In order to help the students to further grasp the knowledge of the one-dimensional quadratic equation and prevent mistakes in solving problems, this article selects some of the measures in the examination questions and analyzes them as follows. I. The regulations concerning not submitting reports and coefficients 1 Let x1 and x2 be the equations