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Author:
lamyc
GeoGebra
New Resources
画直线等分三角形的面积
畫出對稱圖形
錐體建築師
找出對稱軸
三位數除以一位數（一）
Discover Resources
二次函數：一般式轉標準式 (配方法)
複合圖形(四)
角的認識
P6 圓周03D
平行四邊形面積的副本
Discover Topics
Hyperbola
Stochastic Process or Random Process
Quadrilaterals
Secant Line or Secant
Rotation