多项选择题
A.TEXT(WEEKDAY(A2),"aaaa") B.TEXT(WEEK(A2),"aaaa") C.TEXT(WEEKDAY(A2,1),"aaaa") D.TEXT(WEEKDAY(A2,1),"aaa")
A.WEEK(A2) B.WEEKDAY(A2,1) C.WEEKDAY(A2,2) D.WEEKDAY(A2)
A.WEEK B.WEEKDAY C.WEEKNUM D.WORKDAY