四色定理 - 數學題百年未解的定理 | Penana

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#1

數學題百年未解的定理

Iris

Mar 8, 2025

14

1 Min Read

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四色定理

18Please respect copyright.ＰＥＮＡＮＡGFeNzpvtFC

Prove 相鄰的邊最多4個 that means 平均相鄰的邊的角度是360/4‎ = 90度，那是平均值，和人習慣看相鄰的邊界最多的度數

假如是鈍角、另一邊的線條就是銳角如果只取一邊鈍角，另一邊無接觸，就能破解四色定理，就需要五色才能填滿，以下是概念圖。

ns 15.158.61.46da2

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#1 數學題百年未解的定理