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三角形重心(相關說明)
Author:
lihsing.zen
Topic:
Centroid or Barycenter
三角形重心(相關說明)
GeoGebra
New Resources
四邊形的特性
兩組對邊相等和有直角的四邊形
畫出對稱圖形
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
正方形
最短
Treće pravilo podudarnosti
改變橢圓的形狀
題 5
Discover Topics
Parametric Curves
Means
Differential Equation
Perimeter
Logarithmic Functions