18.已知数列满足, 若,则 . 查看更多

 

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已知数列满足,,….若,则 (       )

          B3                  C4                      D5

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已知数列满足的值为  (   )

A.              B.               C.               D.

 

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已知数列满足的值为(   )

A.              B.               C.               D.

 

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 已知数列满足,,….若,则  (       )

A.                B.3                C.4               D.5

 

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已知数列满足 则数列的前2010项的和为                                                                                   (    )

       A.1340                   B.1338                   C.670                     D.669

 

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