单项选择题
A.144B.136C.128D.142
A.16B.20C.26D.30
A.100B.150C.200D.250
A.386B.486C.586D.686
A.95.75%B.87.25%C.90.5%D.85.5%
A.2000元B.1800元C.1500元D.1000元
A.甲10050元,乙9950元B.甲10200元,乙9800元C.甲10150元,乙9850元D.甲10350元,乙9650元
A.680B.4600C.6800D.12800
A.5B.10C.15D.30
A.59B.75C.79D.95
A.32B.33C.34D.35E.36F.37G.38H.39