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Author:
johnmayhk
GeoGebra
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兩組對邊相等的四邊形
拼砌四邊形
球体的体积推导
GeoGebra笔记功能体验课件
画直线等分三角形的面积
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切線斜率
上傳檔案測試
相同圖形的拼砌（三角形）
同心圓
三角波傅立葉級數&有效值
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Terms
Natural Numbers
Area
Vectors
Exponential Functions