要是在Excel上面可以用=IF(IF(ABS(IF(A1*100-99.5>=0,0,A1*100-99.5))>=1,ABS(IF(A1*100-99.5>=0,0,A1*100-99.5))/10,0)>=1,1,IF(ABS(IF(A1*100-99.5>=0,0,A1*100-99.5))>=1,ABS(IF(A1*100-99.5>=0,0,A1*100-99.5))/10,0));把A1替换成你需要计算的单元格