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探究平行四邊形(1)
Author:
Ms Wong
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
判斷球體
画直线等分三角形的面积
異分母分數減法
Discover Resources
some pic
直線系
gltyz 斜圓錐
周界-平移法(教學練習一)
Copy of 畢氏樹
Discover Topics
Kite
Tangent Line or Tangent
Algebra
Square
Numbers