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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
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画直线等分三角形的面积
錐體建築師
找出對稱軸
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
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三角形的外心
Apollonius Problem poncelet fouche
松菸巨蛋談判工作表
test
椭圆与圆的关系的副本
Discover Topics
Fractal Geometry
Line Segment
Constructions
Numbers
Power Functions