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橢圓動畫
Author:
chen mingchuan
GeoGebra
New Resources
第八周作业1
第三周作业效果演示
活动三:应用性质
椭圆内切圆链
第八周作业2
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賺賠:例2
[問題] 橢圓與雙曲線有共同焦點
圓錐曲線
区域积分例子
靜態幾何錯視圖
Discover Topics
Random Experiments
Cylinder
Linear Programming or Linear Optimization
General Quadrilateral
LCM and GCD