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Copy of Triangular Number
Author:
Ronan Downes
,
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
四邊形的特性
畫出對稱圖形
找出對稱軸
球體建築師
異分母分數減法
Discover Resources
終點軌跡
探索三角形SAS全等性質
伊斯蘭窗花
分割多边形
海螺
Discover Topics
Rational Numbers
Numbers
Division
Similarity Transformation or Similarity
Intersection