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单晨答重庆李琳
Author:
单晨
GeoGebra
New Resources
判斷球體
兩位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
画直线等分三角形的面积
Discover Resources
數學4其他圖
Clock
九點圓
Area of Triangle
分段函数动点轨迹
Discover Topics
Centroid or Barycenter
Boxplot
Circle
Set Theory
Stochastic Process or Random Process