白板报 数学集锦 / 03.14
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圆周率集锦

讨论目录

2,881–2,910 / 13,083 条 · 第 97 / 437 页
  2. Reddit · r/askscience定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · "A ring of rope is wrapped around the Earth. With only 6.3 additional meters of slack, the rope would hover 1 meter off the ground." Does this surprising fact have a three dimensional equivalent?

    13 条相关评论
  5. Reddit · r/askscience计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · [meme] Say you were a character in a game like Skyrim (but ~50 years more advanced); is there any experiment you could perform to definitively prove your world is merely a simulation?

    8 条相关评论
  7. Reddit · r/changemyview定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · CMV: Murdering an innocent person is not objectively immoral

    19 条相关评论
  8. Reddit · r/explainlikeimfive定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · ELI5: How does Pi work, how was it discovered, and why is it so critical in mathematics?

    39 条相关评论
  16. Reddit · r/mathmemes历史与文化2025-03-1415 分2 回复

    Happy Pi Day!!

  18. Reddit · r/history证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · What is the historical reason for 7 days in one week, and was this always the case?

    13 条相关评论
  24. Reddit · r/todayilearned证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · TIL one 18 inch pizza has more pizza than two 12 inch pizzas

    12 条相关评论
  27. Reddit · r/philosophy数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · Question on Fine-Tuning

    15 条相关评论
  28. Reddit · r/explainlikeimfive计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · ELI5: There are infinite numbers between 0 and 1. There are also infinite numbers between 0 and 2. There would more numbers between 0 and 2. How can a set of infinite numbers be bigger than another infinite set?

    15 条相关评论
  30. Reddit · r/Showerthoughts数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · Somewhere in pi is your phone number next to your date of birth next to your parents’ date of birth next to your lucky number

    8 条相关评论