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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
國旗 (作圖步驟直接餵給 Claude)
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
Discover Resources
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
Easter egg
九點共圓
三角形重心
線型函數
Discover Topics
Centroid or Barycenter
Optimization Problems
Step Functions
Pyramid
Subtraction