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旋轉一物件
Author:
shihfeng
GeoGebra
New Resources
GeoGebra笔记功能体验课件
三位數除以一位數（一）
兩位數加法
錐體建築師
兩組對邊相等的四邊形
Discover Resources
永遠固定大小的圖片
Apollonius Problem 6 CLP Inversion 12
正割函數的絕對值圖形
Copy of 閱讀鐘面及數字鐘（時和分）
幻彩圆
Discover Topics
Set Theory
Natural Numbers
Combinatorics
Polynomial Functions
Terms