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一元二次方程是初中数学教学的核心内容.在教学过程中,笔者发现学生解方程的能力较弱,运用方程知识解题的能力更弱.究其原因,一是由于学生的计算能力薄弱,二是因为他们没有掌握相关的基础知识.而以一元二次方程为背景的问题,题型多变,应用广泛,对学生的计算能力、逻辑思维能力提出了较高的要求.为此,在复习时,不仅要重点探究一元二次方程这一板块的知识,还要关注一元二次方程与其他数学知识以及实际生活
In the process of teaching, the author found that the ability of students to solve the equation is weak, and the ability to solve the problem using equation knowledge is weaker. The reason is that the students' computing power is weak, Second, because they do not have the basic knowledge of the relevant .Based on the quadratic equation as the background of the problem, the variety of questions, a wide range of applications, the computational ability of students, logical thinking ability put forward higher requirements.To this end, in the Review, not only to focus on one quadratic equation of knowledge of this section, but also pay attention to a quadratic equation and other mathematical knowledge and the actual life