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拿破仑三角形
Author:
卢德洪
Topic:
Centroid or Barycenter
,
Constructions
,
Equilateral Triangles
,
Geometry
,
Rotation
,
Geometric Transformations
,
Triangles
GeoGebra
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盈利與虧蝕
椭圆内切圆链
活动三:应用性质
第八周作业
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
等腰三角形內嵌矩形
比較角的大小三
Net of prism
圓冪性質
圓周 (圖形A) 的複本
Discover Topics
Trigonometry
Area
Equations
Symmetry
Sequences and Series