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橢圓
Author:
陳柄何
Topic:
Ellipse
GeoGebra
New Resources
錐體建築師
兩組對邊相等的四邊形
找出對稱軸
判斷球體
四邊形的特性
Discover Resources
Clock
convolution_demo1
平面和正方體截痕
Measuring Volume 3
繡曲線01
Discover Topics
Functions
Equilateral Triangles
Curve Sketching
Real Numbers
Percentages