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折扣 例5的副本
Forfatter
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
Nye Materialer
國旗 (Claude 版)
畫出對稱圖形
Earth with coastline
Claude 解幾何題
sanjiaohanshu
Opdag Ressourcer
http://www.qsir.org/?p=8853
ghseh 二次函數動畫左右平移
Temp file
椭圆两个焦点与椭圆上点的连线
拋物線4-平行四邊形法
Udforsk emner
Ellipse
Parabler
Kugle
Rotation
Retvinklede trekanter