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椭圆内部全等的双椭圆构造.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
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直線的斜率
球体的体积推导
画直线等分三角形的面积
漂亮的摇摆曲线
【案例】2018年全国1卷理科12题
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Rectangle
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Copy of 畢式定理 (06)
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Power Functions
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