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资料分析-平均类 | czx的笔记 #114

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Chenzhexian opened this issue Jul 22, 2024 · 0 comments
Open

资料分析-平均类 | czx的笔记 #114

Chenzhexian opened this issue Jul 22, 2024 · 0 comments

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@Chenzhexian
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https://czxcab.cn/note/docs/shangan/%E8%A1%8C%E6%B5%8B/%E8%B5%84%E6%96%99%E5%88%86%E6%9E%90/%E8%B5%84%E6%96%99%E5%88%86%E6%9E%90-%E5%B9%B3%E5%9D%87%E7%B1%BB.html

一、一般平均值问题 均前每后(平均每也是每)是分母,时间平均值注意起止时间(11 个月)和平闰年。 注意时间!求哪几个月的平均数一定要看清楚! 均前每后做分母(后除以前) 普通闰年:公历年份是 4 的倍数,且不是 100 的倍数的,为闰年(如 2004 年、2020 年等就是闰年) 世纪闰年:公历年份是整百数的,必须是 400 的倍数才是闰年(如 21...

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