excel如何显示慢于标准时间的值

1、打开excel

3、把鼠标定在C3中，输入=IF(TIME(HOUR(B3),MINUTE(B3),SECOND(B3))<TIME(1,2,50),TIME(1,2,50)-TIME(HOUR(B3),MINUTE(B3),SECOND(B3)),"慢"&TEXT(TIME(HOUR(B3),MINUTE(B3),SECOND(B3))-TIME(1,2,50),"hh:mm:ss"))