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Author:
洪馷孺
GeoGebra
New Resources
畫出對稱圖形
判斷球體
小数 的副本
三位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
南瓜趣臉
擺線
判斷柱體10
指令
Copy of 多項式函數
Discover Topics
Cube
Vectors 2D (Two-Dimensional)
Arithmetic Mean
Addition
Rational Numbers