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三个星期等于几个月
更新时间: 2020-07-01 00:00:00  

三个星期有21天,而不同月份的天数不同,有下列四种情况:

1、一个月有31天。则21除以31约等于0.68,故3个星期等于0.68个月;

2、一个月有30天。则21除以30等于0.7,故3个星期等于0.7个月;

3、一个月有28天。则21除以28等于0.75,故3个星期等于0.75个月;

4、一个月有29天。则21除以29约等于0.72,故3个星期等于0.72个月。

关键词: 星期 等于

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