excel表格怎么用if函数求出奖金答:=IF(SUM(B2:E2)>10000,5000,IF(SUM(B2:E2)>9000,3500,IF(SUM(B2:E2)>8000,2000,IF(SUM(B2:E2)>7000,1000,0)))=IFS(SUM(B2:E2)>10000,5000,SUM(B2:E2)>9000,3500,SUM(B2:E2)>8000,2000,SUM(B2:E2)>7000,1000,SUM(B2:E2)<=70000,0)=LOOKUP(SUM(B2:E2),{0,7000,8000,900...