Excel中,B1=IF(LEN(A1:A9)=0,"",SUM(A1:A9)),能用; B1=IF(LEN(A2:A9)=0,"",SUM(A2:A9)),不能用,???

2024-12-03 02:14:49
推荐回答(1个)
回答1:

这是数组公式,按ctrl+shift+回车结束,不要直接按回车