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转盘
Author:
许业成
GeoGebra
New Resources
拼砌四邊形
直角坐標平面上的旋轉變換
畫出對稱圖形
四邊形的特性
找出對稱軸
Discover Resources
動圓的圓心軌跡為橢圓
Proof72 徐晏翎
if指令
P53_3c
GeoGebra桌機版安裝
Discover Topics
Plane Figures or Shapes
Translation
Numbers
Cosine
Symmetry