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(1/6-1/8)÷1/8 =1/24÷1/8 =1/3
工作效率比為:4:3 分析:把這項工程看作“1“,甲要6天完成,那麼甲一天完成這項工程的1/6,乙為1/8,即甲乙的工作效率比為1/6:1/8=4:3
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