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Author:
huang910316
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
兩位數加法
判斷球體
兩組對邊相等的四邊形
Discover Resources
數值滑桿
Rotation（旋轉）
Centroid
橢圓1-同心圓法
文繞圖1
Discover Topics
Similar Triangles
Circumcircle or Circumscribed Circle
Root
Similarity Transformation or Similarity
Arithmetic Operations