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正方形的旋轉2
Author:
李春培
正方形的旋轉2
GeoGebra
New Resources
柱體建築師
小数 的副本
sanjiaohanshu
畫出對稱圖形
拼砌四邊形
Discover Resources
學習單：三角形任一外角與內角關係
均分除法（整數÷整數）
萬花筒
圖形拼砌
reflection points
Discover Topics
Circumcircle or Circumscribed Circle
Isosceles Triangles
Sine
Equations
Mode