白板报 数学集锦 / 03.14
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圆周率集锦

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  1. Reddit · r/mathmemes历史与文化2019-03-15867 分10 回复

    Pi Day

  2. Reddit · r/YouShouldKnow计算与算法2010-03-2768 分34 回复

    YSK pi can be approximated down to the millionth by this fraction 355/113

    10 条相关评论
  3. Reddit · r/explainlikeimfive计算与算法2019-11-3015 分17 回复

    ELI5: How is pi calculated? Does someone just measure the diameter and circumference of a circle as exactly as possible, and then do the math? Also, how do we know for certain that pi goes on forever, instead of just no…

    10 条相关评论