[KongchangAI]
Unverified70% confidenceFactExact time

单位距离问题由匈牙利数学家Paul Erdős于1946年提出,属于组合几何领域

2
Sources
70%
Confidence
Long-term
Relevance
5/20/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/447
API
curl https://kongchang.com/api/v1/knowledge/claims/447
MCP
get_claim(id=447)