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三角形n邊形外角和
Author:
林銓柔
,
鍾元杰
GeoGebra
New Resources
畫出對稱圖形
兩位數加法
四邊形的特性
找出對稱軸
兩位數除以一位數（二）
Discover Resources
正方體內的三角錐
Book4
Scheimpflug image
拼貼
Rotation
Discover Topics
Probability
Prism
Mode
Diagrams
Conditional Probability