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有理系数一元二次方程的几点结论王秀丽（福建林学院附中３５３００１）一元二次方程是中学数学教学中十分重要的内容，韦达定理已精辟地论述了根与系数的一般关系。本文将再给出有理系数一元二次方程根与系数的几个特殊性质，这些性质对于中学数学教学有着十分重要的意义...
Some conclusions about the rational coefficient quadratic equation Wang Xiuli (Fujian College of Forestry, Fuzhong 353001) The one-dimensional quadratic equation is a very important part of mathematics teaching in middle schools. The Vedic theorem has been an incisive discussion of the general relationship between roots and coefficients. In this paper, we will give some special properties of the root and coefficient of the quadratic equation with rational coefficients. These properties are of great significance for mathematics teaching in middle school...