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waaachen
Author:
陳兪宏
奕程老師二次函數 面積準確版
GeoGebra
New Resources
球體建築師
球体的体积推导（优化版）
異分母分數減法
画直线等分三角形的面积
判斷球體
Discover Resources
孔明棋 (Peg Solitare)
指數與對數
三角形外心的位置
滑桿按鈕輸入框
Copy of angle between line and plane
Discover Topics
Definite Integral
Tree Diagrams
Special Points
Random Variables
Centroid or Barycenter