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folding aeroplane
Author:
Li Wai Leung
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
三位數除以一位數（二）
拼砌四邊形
兩位數加法
Discover Resources
三角形的构成
對稱方波
Copy of 吳01
軌跡觀察---圓及正三角形上線段中點
Ex5D#9
Discover Topics
Tangent Function
Boxplot
Step Functions
Circle
Polynomial Functions