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 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ...

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问题详情:

 若 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第2张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第3张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第4张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第5张成等比数列, 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第6张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第7张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第8张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第9张 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第10张成等差数列,则 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第11张=(   )                                              

A. 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第12张           B. 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第13张            C. 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第14张          D. 若,,,,成等比数列,,,,,成等差数列,则=(  )                           ... 第15张

【回答】

A  

知识点:数列

题型:选择题