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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
球体的体积推导
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
四邉形 (四年級) 教師版
兩位數加法
Discover Resources
HKDSE 3D Figures
端點在兩圓周線段中點軌跡
Primeter
中間人
Copy of 教學-與直線有關的角
Discover Topics
Continuity
Numbers
Random Experiments
LCM and GCD
Tangent Function