زمرة التناظر: الفرق بين النسختين

[[ملف:Tetrahedral group 2.svg|thumb|left|300px|A [[tetrahedron]] can be placed in 12 distinct positions by [[rotation]] alone. These are illustrated above in the [[Cycle graph (algebra)|cycle graph]] format, along with the 180° edge (blue arrows) and 120° vertex (reddish arrows) [[rotation]]s that [[permutation|permute]] the tetrahedron through the positions. The 12 rotations form the '''rotation (symmetry) group''' of the figure.]]

 

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