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椭圆的两条垂直切线的交点轨迹
Author:
istone
Topic:
Ellipse
,
Geometric Transformations
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
判斷球體
三位數除以一位數（二）
錐體建築師
Discover Resources
happy new year
Is this a prism 3
向量合成
基華小學 GeoGebra 幾何創作室 第 2 節
Copy of cos(x) 的圖形
Discover Topics
Line Segment
Stochastic Process or Random Process
Quadrilaterals
Linear Regression
Pyramid