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旋轉一物件
Author:
shihfeng
GeoGebra
New Resources
畫出對稱圖形
找出對稱軸
兩位數除以一位數（一）
判斷球體
兩位數加法
Discover Resources
函數邏輯式
鉛筆的長度
畢氏定理動態證明(歐基里得，平形四邊形等面積2，應用時間參數跳躍函數配合向量)
動畫的根本animation of root
正方形推垛
Discover Topics
Means
Incircle or Inscribed Circle
Definite Integral
Calculus
Area