在三维欧式空间中，最多能放置多少条直线，才能确保任意选取的三条直线均不共面？ - V2EX
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ddddd0

在三维欧式空间中，最多能放置多少条直线，才能确保任意选取的三条直线均不共面？

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  •   ddddd0 Apr 3, 2025 1892 views
    This topic created in 403 days ago, the information mentioned may be changed or developed.

    我画了下，似乎答案是无穷多？

    问了 ai ，答案五花八门：

    • 4
    • 5
    • 6
    • 无限多
  • 三维空间
  • 直线
  • 共面
    3 replies    2025-04-04 00:56:30 +08:00
    Vintingb
        1
    Vintingb  
       Apr 3, 2025 via iPhone
    无限多
    Bodom
        2
    Bodom  
       Apr 3, 2025 via iPhone
    圆锥曲面里任意三条直线都不共面吧
    lovestudykid
        3
    lovestudykid  
       Apr 4, 2025
    答案挺简单的，不过是个好问题，AI 要想老半天
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