等比数列前n项和为Sn有人算得S1=8,S2=20,S3=36,S4=65,后来发现有一个数算错了.错误的是 A.S1 B.S2 C.S3 D.S4 查看更多

 

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等比数列前n项和为Sn,有人算得S1="8," S­­2="20," S3="36," S4=65,后来发现有一个数算错了,错误的是(   )

A.S1               B.S2                C.S­3               D.S4

 

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等比数列前n项和为Sn,有人算得S1="8," S­­2="20," S3="36," S4=65,后来发现有一个数算错了,错误的是(   )

A.S1B.S2C.S­3D.S4

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等比数列前n项和为Sn,有人算得S1=8,S2=20,S3=36,S4=65,后来发现有一个数算错了,错误的是(  )

A.S1     B.S2     C.S3     D.S4

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等比数列前n项和为Sn,有人算得S1="8," S­­2="20," S3="36," S4=65,后来发现有一个数算错了,错误的是(   )
A.S1B.S2C.S­3D.S4

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等比数列前n项和为Sn,有人算得S1="8," S­­2="20," S3="36," S4=65,后来发现有一个数算错了,错误的是


  1. A.
    S1
  2. B.
    S2
  3. C.
    3
  4. D.
    S4

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