一元二次方程是初中数学的重点内容,是中考中代数部分考查的热点。但在解一元二次方程有关问题时,许多学生常常由于忽视一些概念,原理以及题目自身的隐含条件,从而导致错解。现就几种常见的错误例题分类加以剖析,以便借鉴,供大家参考。1.在运用一元二次方程概念时常见的错误1.1侍定字母的值忽视二次项系数a≠0 A quadratic equation is the key content of junior high school mathematics, which is the hot spot in the algebraic part of senior high school entrance examination. However, when solving problems related to the quadratic equation, many students often misunderstand some concepts and principles as well as their own implicit conditions. Now several common error examples to be analyzed in order to learn for your reference. 1 in the use of the concept of a quadratic equation common mistakes 1.1 wait for the value of the letter ignores the quadratic coefficient a ≠ 0