单项选择题
A.20.19%B.25.30%C.36.31%D.57.00%
A.12.96×10-3B.13.42×10-3C.14.26×10-3D.14.80×10-3
A.1501B.1305C.1069D.483
A.0.44B.0.78C.1.16D.1.34
A.0.222B.0.255C.0.267D.0.340
A.90602B.43170C.33738D.28650