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Author:
官長壽(longlife)
GeoGebra
阿壽工坊---
http://120.101.70.8/longlife/
New Resources
活动三：应用性质
盈利與虧蝕
正方形雪花图案
撒针估算面积实验
第八周作业
Discover Resources
方格紙上畫平行四邊形4
高中, 直線與點對稱
lower sum for x^2
畢氏定理(遮蔽法)
学用数学
Discover Topics
Solids or 3D Shapes
Rectangle
Piecewise Functions
Means
Interest Calculation