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知乎者也【得到新知识】

325:圆周率要多精确才够用?

06 Apr 2021

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周而又复始,一转眼,从第一期原样更新到现在,地球已经绕着太阳划了七个圆了!而在一年一度的圆周率日 π Day 即将到来之际,聊个应景的话题。最早的圆周率可以追溯到何时?人类认识到 π 是一个无理数又是什么时候?由无理数引发的第一次数学危机又是怎么一回事?猜猜看,对于现实宇宙中可能会遇到的绝大部分应用问题,我们大致需要精确到何种程度圆周率?文案:赵乐编辑:旭岽主播:旭岽、姜雯后期:旭岽PS:祝大家原样节快乐~ 谢谢各位七年来的守候与陪伴!

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