试题与答案

药厂使用电动研磨器将一批晒干的中药磨成药粉,厂长决定从上午10点开始,增加若干台手工

题型:单项选择题

题目:

药厂使用电动研磨器将一批晒干的中药磨成药粉,厂长决定从上午10点开始,增加若干台手工研磨器进行辅助作业,他估算如果增加2台,可在晚上8点完成。如果增加8台,可在下午6点完成,问如果任务增加一倍还希望在下午3点完成,需要增加多少台手工研磨器?

A.62 

B.68 

C.70 

D.74 

E.81 

F.85

答案:

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