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GeoGebra
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Outline
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Circle Area (By Peeling!)
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Author:
阮老师
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Circle Area (By Peeling!)
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Circle Area (By Peeling!)
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
画直线等分三角形的面积
四邉形 (四年級) 教師版
兩位數除以一位數（二）
Discover Resources
閱讀鐘面及數字鐘（時和分）
橢圓規
題 4
Right Triangles in a Circle 圓內的直角三角形
台北松菸巨蛋談判工作表
Discover Topics
Cone
Incircle or Inscribed Circle
Boxplot
Trigonometric Functions
Logic
