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Author:
Lin Ching Chieh
GeoGebra
New Resources
判斷球體
找出對稱軸
兩組對邊相等的四邊形
四邊形的特性
算柱 (兩位數)
Discover Resources
彩虹三角
Triangular Prism Net
Simple Interest and Compound Interest
Beemo
两圆上两动点分别以相同的线速度运动时，连线中点的轨迹（绿色花朵）
Discover Topics
Centroid or Barycenter
Histogram
Means
Kite
Random Experiments