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变化的三角形的外心.许兴华数学
Author:
许兴华数学
Topic:
Centroid or Barycenter
,
Triangles
GeoGebra
New Resources
錐體建築師
判斷球體
球体的体积推导（优化版）
GeoGebra笔记功能体验课件
柱體建築師
Discover Resources
對稱和變換
利用文字工具顯示計算結果
數線(小數的認識)
slopefield_rational function
Twghmkc_時鐘
Discover Topics
Linear Equations
Indefinite Integral
Quadratic Equations
Circle
Right Triangles