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一元二次方程学习提示一元二次方程是初中数学的重点内容之一,是解答其他数学问题的重要工具,也是中考命题的重点.统计分析全国各地历年中考试卷,直接命题考查一元二次方程的题目.约占全卷总分的15%左右,需要利用一元二次方程有关概念解答的问题,更是占有较重的分量.
One-member quadratic equation learning suggests that the one-dimensional quadratic equation is one of the key contents of junior high school mathematics. It is an important tool for answering other mathematics problems and is also the focus of the propositions of the exam. Statistical analysis of the national examination papers throughout the country and the direct propositions to examine the one-dimensional quadratic equation The topic, which accounts for about 15% of the total volume of the whole volume, requires the use of a one-dimensional quadratic equation to solve the problem of the concept, and even more importantly.