File talk:GP92-Kuratowski.svg

出典：ウィキメディア・コモンズ (Wikimedia Commons)
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I was extremely confused about the K3,3 present in this graph. I was not sure what the blue dots were supposed to represent. Then I realized that there are both red and green dots, and my colorblindness was the issue. — Preceding unsigned comment was added by 143.215.119.4 (talk) 18:43, 30 November 2016 (UTC)[返信]

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