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平行四邊形有甚麼特性？
Author:
Anthony OR 柯志明
Topic:
Parallelogram
English version:
http://ggbtu.be/m79826
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
判斷球體
直角坐標平面上的旋轉變換
拼砌四邊形
Discover Resources
二次函數的圖形
Maths p1
FHMS Corr Angles (Positions)
ghseh 二次函數描點法上下平移-5
折線軌跡
Discover Topics
Fractal Geometry
Surface
Special Points
Multiplication
Sphere