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萬花筒
Author:
賴詩唐
GeoGebra
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四邉形 (四年級) 教師版
三位數除以一位數（一）
異分母分數減法
画直线等分三角形的面积
錐體建築師
Discover Resources
Estimating Mean 猜猜平均數
畢氏定理
足迹
內心
正三角形在长方形边上移动加滚动
Discover Topics
Trigonometry
Straight Lines
Linear Equations
Circle
Vectors 3D (Three-Dimensional)