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圓-3
Author:
Kook kin yip
GeoGebra
New Resources
撒针估算面积实验
盈利與虧蝕
折扣
正方形雪花图案
百分數及其應用
Discover Resources
中點軌跡(動點在兩圓上)
最小距離和
Q5-7
三角形分割
母子性質-1（動畫）
Discover Topics
Arithmetic Operations
Translation
Percentages
Circle
Vectors 3D (Three-Dimensional)