=IF(500>D3>0,"0.2",IF(1000>D3>=500,"0.3",IF(2000>D3>=1000,"0.4",IF(3000>D3>=2000,"0.5",IF(4000>D3>3000,"0.6",IF(D3>4000,"0.7"))))))我这么输入完了。我在D3单元格输入什么 得到的答案都是0.2