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大小相同串珠
Author:
施奕瑄
GeoGebra
New Resources
四邉形 (四年級) 教師版
找出對稱軸
兩位數除以一位數（二）
拼砌四邊形
三位數除以一位數（二）
Discover Resources
史坦納圓 (Steiner Circle)
Rectangle_03
圓周 (圖形C)
各種切圓
ω的影响
Discover Topics
Straight Lines
Unit Circle
Arithmetic Mean
Linear Programming or Linear Optimization
Vectors 2D (Two-Dimensional)