摘要： YEAR(A3)&"年第"&INT((A3-DATE(YEAR(A3)-1,12,31))/7)+1&"周"=IF(WEEKNUM(A1,2)<10,RIGHT(YEAR(A1),2)&"年第0"&WEEKNUM(A1,2)&"周",RIGHT(YEAR(A1),2)&"年第"&WEEKNUM(A1,2)&"周")=IF(WEEKNUM(A1,2)<10,RIGHT(YEAR(A1),2)&a 阅读全文