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兩圓外公切線
Author:
郭逸民
GeoGebra
New Resources
算柱 (兩位數)
【案例】2018年全国1卷理科12题
錐體建築師
拼砌四邊形
四邉形 (四年級) 教師版
Discover Resources
圖一
GeoGebra培训手册素材
數軸
Ex5C#4
尝试绘本
Discover Topics
Planes
Quadrilaterals
Pyramid
Diagrams
Hypergeometric Distribution