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圓外角測試
Author:
連琨銘
GeoGebra
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兩位數加法
兩位數除以一位數（二）
四邉形 (四年級) 教師版
四邊形的特性
算柱 (兩位數)
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照片方塊
圆心角和圆周角
橢圓包絡線
深圳2018 22
点、线、角
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Linear Functions
Solids or 3D Shapes
Subtraction
Power Functions
Terms