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GeoGebra
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GeoGebra
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双心四边形
直線的斜率:水平變化 & 鉛垂變化
活动三:应用性质
盈利與虧蝕
常见四边形是否是双心四边形
Discover Resources
面積相關問題(Area)
測試
雨刷練習
題一
三角函數的繪圖1
Discover Topics
Matrices
Mathematics
Cuboid
Sphere
Solids or 3D Shapes