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[单选题]
加工一批零件,甲独做需3天完成,乙独做需4天完成,两人同时加工,完成任务时,甲比乙多做24个,这批零件有多少个?()
A.168
B.154
C.196
D.336
查看答案
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A.168
B.154
C.196
D.336
A.1200
B.1800
C.2000
D.2100
A.210
B.240
C.270
D.330
A.210
B.240
C.260
D.270
A.40天
B.30天
C.80/3天
D.70/3天
A.11
B.13
C.15
D.18
A.360
B.480
C.500
D.620
A.18
B.20
C.30
D.36
A.16
B.8
C.22
D.30