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教學－旋轉
Author:
Lau Sir
Topic:
Rotation
GeoGebra
New Resources
美國國旗 (Claude 版)
sanjiaohanshu
拼砌四邊形
Earth with coastline
兩組對邊相等的四邊形
Discover Resources
橢圓尺規作圖Ex01
電子幾何條（2014）
判斷錐體 4
簡單動畫
桃子Peach
Discover Topics
Quadratic Equations
Confidence Interval
Ellipse
Pythagoras or Pythagorean Theorem
Sine