每天都会增加新数据,自动求各部门前三天的兼职数量,包含学生兼职,如果同一个人三天都有,只计算一个。
=SUMPRODUCT(IFERROR((ISNUMBER(FIND(兼职,A$2:A$9999))*(B$2:B$9999TODAY()-3)*(E$2:E$9999=G2)/COUNTIFS(A$2:A$9999,=*兼职,B$2:B$9999,&TODAY()-3,E$2:E$9999,G2,C$2:C$9999,C$2:C$9999)),))按CTRL+SHIFT+ENTER,下拉