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正四面体与球的切接关系
Author:
xu
Topic:
Geometry
,
Sphere
,
Surface
制作者：徐敏
GeoGebra
New Resources
兩組對邊相等的四邊形
小数 的副本
兩位數除以一位數（一）
畫出對稱圖形
直角坐標平面上的旋轉變換
Discover Resources
sin(x) 的函數圖形
Frequency Change
fastest curve
angle sum of triangle
基本作圖1
Discover Topics
Reflection
Ellipse
Area
Indefinite Integral
Differential Equation