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geogebra
Author:
Look Cheuk Lam
GeoGebra
New Resources
平行線的判定
折扣
撒针估算面积实验
第八周作业2
盈利與虧蝕
Discover Resources
Measurement & Classification of Angles 角的量度和分類
圓與兩平行切線
課堂工作紙(一)
Copy of 二次函數圖形
旋轉正方形
Discover Topics
Polygons
Parametric Curves
Centroid or Barycenter
Statistical Characteristics
Linear Programming or Linear Optimization