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四边形面积最大
Author:
李莹
GeoGebra
New Resources
第八周作业2
球体的截面
双心四边形
中华人民共和国国旗
比較五件物件的重量
Discover Resources
Angle between a Line and a Plane 投影與線面角
簡單動畫
Conjugate Diameter—共轭直径
五边形的旋转平铺(迭代加序列)
三角形的外心
Discover Topics
Pythagoras or Pythagorean Theorem
Scalene Triangles
Statistics
Cube
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