单项选择题
A.900,1000,900,7200B.1000,900,810,7290C.1000,1000,1000,7000D.1000,900,8100,0E.1000,9000,0,0
A.19693,22580B.18752,22570C.19693,22695D.19590,23692E.19693,22570
A.12000B.125000C.150000D.462500E.500000