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GeoGebra
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爱心
Author:
何美华
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
Earth with coastline
球體建築師
近似值：有效數字
國旗 (Claude 版)
Discover Resources
Polygon Activity
正四面體展開圖
平行四邊形面積
奈格爾點
貝氏定理 (計算偽陽性/偽陰性之機率)
Discover Topics
Angles
Unit Circle
Boxplot
Scalene Triangles
Variance