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命题揭秘:圆锥曲线是高考数学的重点内容,高考中考查圆锥曲线问题的试题一般有两道选择题或两道填空题,一道大题,选择题主要集中在第11题或第12题,填空题分布在第15题或第16题,知识点考查全面,能力要求高,试题难度多为中等题或难题.离心率是圆锥曲线的重要考点之一,通常从两个方面来命题:一是求椭圆或双曲线的离心率的值;二是
Proposition Secret: Conic curve is the focus of college entrance examination mathematics, the entrance examination of the conic curve test questions generally have two multiple choice questions or two fill in the blank, a big problem, multiple choice questions mainly concentrated in the first 11 or 12 questions, fill in the blank Questions distributed in the first 15 questions or 16 questions, the knowledge of a comprehensive examination, the ability to ask for a high degree, the difficulty of the questions are mostly intermediate questions or problems. Centrifuge rate is one of the important test centers conic, usually from two aspects to proposition: First, Seeking the value of the elliptic or hyperbolic eccentricity; second is