最終更新日：2024/07/31
Lemoine hexagons are a type of hexagon that can be inscribed in a triangle.
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Lemoine hexagons are a type of hexagon that can be inscribed in a triangle.
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Lemoine hexagons are a type of hexagon that can be inscribed in a triangle.
Lemoine hexagons are a type of hexagon that can be inscribed in a triangle.
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