Excel中的if函数，请帮我解释一下=IF(OR(WEEKDAY(A3)=1,WEEKDAY(A3)=7)=TRUE,"是","否")是什么意思？

只有这一种写法吗？！请教我if函数怎么写

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第1个回答 2014-08-19

如果A3的日期是周末，就显示“是',不是周末就显示”否“

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