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咖啡上的拉花
Author:
陳柄何
GeoGebra
New Resources
錐體建築師
四邉形 (四年級) 教師版
兩位數加法
畫出對稱圖形
三位數除以一位數（二）
Discover Resources
線之極點定理 / pole of a line theorem
幾何_圓2
周界平移
兩面角
Locus (Segment)
Discover Topics
Difference and Slope
Area
Continuity
Integers
Natural Numbers