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Author:
Lin Ching Chieh
GeoGebra
New Resources
四邊形的特性
第八周作业
兩位數除以一位數（一）
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
緯度、日照、影長
相似三角形
Heat Sink Fin
橢圓拋物面1
三角五形
Discover Topics
Hypergeometric Distribution
Ratios
Division
Fractions
Plane Figures or Shapes