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正方形和長方形有甚麼特性？
Author:
Ken Cheung
,
Anthony OR 柯志明
Topic:
Rectangle
,
Square
Eng version:
http://ggbtu.be/m79823
GeoGebra
New Resources
找出對稱軸
四邊形的特性
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
球體建築師
Discover Resources
三角形內接正方形
Statistics (M1)
生活中的平面圖形─四邊形的性質
橢圓軌跡03
纏繞畫2
Discover Topics
Vectors
Tangent Line or Tangent
Surface
Translation
Special Points