已知的最小值是                                    (   )      A...

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问题详情:

已知已知的最小值是                                    (   )      A...的最小值是                                     (    )

       A.4                                                               B.8                           

       C.16                                                             D.32

【回答】

       B

知识点:不等式

题型:选择题

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