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橢圓規Ellipsograph (Trammel of Archimedes)
Author:
李莉
GeoGebra
New Resources
折扣
盈利與虧蝕
异形操场
龙形曲线-分形龙
龙形曲线-分形龙2
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畢氏定理(五移動)
三角形探究1
切割正二十面體
時鐘
三角形相似的直观显示.许兴华数学
Discover Topics
Scalene Triangles
Function Graph
Parallelogram
Equations
Matrices