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已知等差数列 http://picflow.koolearn.com/upload/papers/20140824/20140824012945140470.png的公差 http://picflow.koolearn.com/upload/papers/20140824/20140824012945155443.png,且 http://picflow.koolearn.com/upload/papers/20140824/20140824012945171493.png成等比数列,则 http://picflow.koolearn.com/upload/papers/20140824/20140824012945186768.png(  )

发布时间:2021-09-25

A.http://picflow.koolearn.com/upload/papers/20140824/20140824012945202421.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824012945218439.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824012945233434.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824012945249467.png

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