天气预报 > 教育 > 一年48还是52周
一年48还是52周
更新时间: 2019-04-04 00:00:00  

1、平年:365/7=52周余1天。闰年:366/7=52周余2天。因此,一年最多52周。

2、366/7=52余2,也就是52个周多两天,这两天要是在年初和年末各一天,就可以在本年再多2周,也就是最多54个周,最少是365/7=52余1。无论怎么排,都回多出来一天,也就是至少53个星期。

3、365/7=52余1,366/7=52余2,所以一年365天和366天都至少有53周啊,至多就54周(一年365天,年开头是星期6,年末就是星期天了。或一年366天年开头是星期5或6,年末是星期6或星期天了)。

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