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Author:
chen mingchuan
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
球體建築師
拼砌四邊形
找出對稱軸
Discover Resources
Fill a special area
測試作業?
小六 平均數 (供教師講解用)
對稱01
对多边形对角线、内角和、外角和的理解
Discover Topics
Hyperbola
Statistics
Orthocenter
Plane Figures or Shapes
Arithmetic Mean