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peacock3
Author:
李春培
peacock3
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（二）
四邊形的特性
算柱 (兩位數)
直角坐標平面上的旋轉變換
Discover Resources
圓外一點到圓的距離
直方圖_for_student
集合運算
三角形的三角和及外心、內心圓
連連看！橢圓在哪裡？
Discover Topics
Reflection
Statistics
Vectors 2D (Two-Dimensional)
Circumcircle or Circumscribed Circle
Hypothesis Testing