英数题 意思Mr.Zhang pianed tomake 552 parts.He makes 345 parts in the former 5days.Accordingto this calculation,how many days left to finish the job?

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英数题意思Mr.Zhangpianedtomake552parts.Hemakes345partsintheformer5days.Accordingtothiscalculation,howmany

英数题 意思Mr.Zhang pianed tomake 552 parts.He makes 345 parts in the former 5days.Accordingto this calculation,how many days left to finish the job?
英数题 意思
Mr.Zhang pianed tomake 552 parts.He makes 345 parts in the former 5days.Accordingto this calculation,how many days left to finish the job?

英数题 意思Mr.Zhang pianed tomake 552 parts.He makes 345 parts in the former 5days.Accordingto this calculation,how many days left to finish the job?
张先生每天要完成552个部分,他前五天完成了345个部分,按这样计算,还要几天才能完成工作.
(3天)