A.期初B.期末C.期中D.期内
A.50 B.33 C.45 D.30
A.大0.55% B.小0.55% C.大12.5% D.小12.5%
A.2% B.8% C.8.24% D.10.04%
A.14.87 B.14.34 C.28.70 D.7.18