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生日问题1
Author:
徐晓东
GeoGebra
New Resources
球体的截面
异形操场
第八周作业
第八周作业1
第三周作业效果演示
Discover Resources
任務2
數學題目參考圖形
用兩圓編織美麗的曲面
Task 5: Regular Hexagon
mathmathmath
Discover Topics
Surface
Means
Planes
Centroid or Barycenter
Pyramid