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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
兩組對邊相等的四邊形
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
花瓶
生日悖論
Exponential graph
堆朵3邊形(試算表版)
正六角柱
Discover Topics
Equilateral Triangles
Symmetry
Definite Integral
Parallelogram
Dilation