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等棍的包絡線
Author:
Wu Xiao-Ren
C為等棍AB的控制點，曲線EF為等棍AB的包絡線 Animation 啟動動畫
GeoGebra
New Resources
球體建築師
第八周作业
算柱 (兩位數)
AI 訓練教室
四邉形 (四年級) 教師版
Discover Resources
圓周
橫斷式研究之樣本數估計（Outcome為odds ratio）
geo123
angle at centre vs angle at circumference
Gaussian Heptagon construction
Discover Topics
Upper and Lower Sum or Riemann Sum
Intersection
Natural Numbers
Parametric Curves
Linear Regression