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正十二面體內接正四面體旋轉
Author:
Tone
GeoGebra
New Resources
三位數除以一位數（一）
兩位數除以一位數（二）
球体的体积推导（优化版）
四邊形的特性
算柱 (兩位數)
Discover Resources
waaachen
Lap / 9
立方體展開圖
同頂角_2
禪繞畫
Discover Topics
Median Value
Tree Diagrams
Equilateral Triangles
Tangent Function
Planes