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Author:
chengshihfeng
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
柱體建築師
画直线等分三角形的面积
四邉形 (四年級) 教師版
Discover Resources
固定三角形的條件−題6
異分母分數加減
F1Ch8 Translation basic
诱导公式四(原点对称关系)
兩組對邊相等的四邊形(三年級)
Discover Topics
Centroid or Barycenter
Hypothesis Testing
Trigonometric Functions
Coordinates
General Quadrilateral