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peacock2
Author:
李春培
peacock2
GeoGebra
New Resources
四邉形 (四年級) 教師版
拼砌四邊形
三位數除以一位數(一)
兩位數除以一位數(一)
画直线等分三角形的面积
Discover Resources
proof SSS
餘弦定理
周界-平移法(練習二)
MFS: Rebound 3
信心水準與信賴區間 的複本
Discover Topics
Optimization Problems
Set Theory
Incircle or Inscribed Circle
Normal Distribution
Median Line