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→‎Undirected and directed graphs

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===Undirected and directed graphs===

===Undirected and directed graphs===

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'''<font color=""#ff8000>无向和有向图 Undirected and directed graphs'''

[[Image:Labeled undirected graph.svg|thumb|250px|An undirected graph.]]

[[Image:Labeled undirected graph.svg|thumb|250px|An undirected graph.]]

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取自“https://wiki.swarma.org/index.php/特殊:移动版差异/13342”