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[单选题]
某轮船计划用15小时从A地到B地,行驶5小时后,由于天气变好,速度加快了25%,可提前几小时到达?
A.4
B.3
C.2
D.1
查看答案
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A.4
B.3
C.2
D.1
A.15小时
B.13.8小时
C.13小时
D.12.8小时
E.12小时
A.110km/h
B.48.89km/h
C.40km/h
D.44km/h
A.100
B.150
C.180
D.200
A.600
B.800
C.1000
D.1200
A.180
B.200
C.250
D.300