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Author:
Ng Ching Yi
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（一）
拼砌四邊形
異分母分數減法
画直线等分三角形的面积
Discover Resources
錐體建築師 4
平移動畫(平移加滑桿)
心型線
圓錐展開
公因數應用題的副本
Discover Topics
Parabola
Pyramid
Ellipse
Pythagoras or Pythagorean Theorem
Difference and Slope