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若等差数列满足,,则的值是                            (   )      A.2...

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问题详情:

若等差数列满足,,则的值是                             (    )


       A.20                  B.36                    C.24                                              D.72

【回答】

解析:C。本题考查了等差数列的*质, 因若等差数列满足,,则的值是                            (   )      A.2...,得若等差数列满足,,则的值是                            (   )      A.2... 第2张若等差数列满足,,则的值是                            (   )      A.2... 第3张,得若等差数列满足,,则的值是                            (   )      A.2... 第4张,则若等差数列满足,,则的值是                            (   )      A.2... 第5张若等差数列满足,,则的值是                            (   )      A.2... 第6张 ,则若等差数列满足,,则的值是                            (   )      A.2... 第7张

知识点:数列

题型:选择题

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