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已知x>1,y>1,且http://picflow.koolearn.com/upload/papers/g02/20111031/20111031100252015854.giflnx,http://picflow.koolearn.com/upload/papers/g02/20111031/20111031100252015854.gif,lny成等比数列,则xy

发布时间:2021-07-21

A.有最大值e

B.有最大值http://picflow.koolearn.com/upload/papers/g02/20111031/20111031100252031866.gif

C.有最小值e

D.有最小值http://picflow.koolearn.com/upload/papers/g02/20111031/20111031100252046866.gif

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