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Home > Wen Yuan (High School Edition) > 2021 No.12 > 基于核心素养的圆锥曲线“点差法”问题分析

  • 基于核心素养的圆锥曲线“点差法”问题分析

    Author(s)：

    谷欠欠 黄华平

    Publication Title：

    Wen Yuan (High School Edition) 2021 No.12

    Affiliations：

    重庆三峡学院 数学与统计学院 重庆 万州 404020

    Abstract：

    “点差法”，顾名思义，就是代入点进行作差的方法.将圆锥曲线和直线的两个交点坐标分别代入到圆锥曲线的方程，从而得到两个等式，将两式相减，便可得到有关于直线斜率和弦中点坐标的关系式，再结合已知条件便可使问题得以解决.本文结合一些实例，谈谈点差法在圆锥曲线问题中的应用，分析在培养学生能力的同时，如何落实提升学生的数学核心素养.

    Keywords：

    点差法；核心素养；圆锥曲线

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    [1] 谷欠欠,黄华平.基于核心素养的圆锥曲线“点差法”问题分析[J].Wen Yuan (High School Edition),2021(12),.

文渊(高中版)
Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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