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高中数学代数与函数一其他练习题2

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  • 卷面总分:100分
  • 试卷类型:真题试卷
  • 测试费用:¥5.00
  • 试卷答案:有
  • 练习次数:0
  • 作答时间:60分钟

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高中数学代数与函数一其他练习题2

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  • 91已知f(n)=(2n+7)·3 n+9,存在自然数m,使得对任意n∈N *,f(n)都能被m整除,则m的最大值为(  )

    A.18

    B.36

    C.48

    D.54

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  • 92证明 http://picflow.koolearn.com/upload/papers/20140823/201408232219409271350.png时,假设当 http://picflow.koolearn.com/upload/papers/20140823/20140823221940942412.png时成立,则当 http://picflow.koolearn.com/upload/papers/20140823/20140823221940958297.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823221940989384.png时,左边增加的项数为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823221941005206.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823221941020291.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823221941036169.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823221941067312.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823221941098367.png

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  • 93用数学归纳法证明“ http://picflow.koolearn.com/upload/papers/20140823/201408232135080651479.png”时,在验证 http://picflow.koolearn.com/upload/papers/20140823/20140823213508081357.png成立时,左边应该是(       )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823213508096444.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823213508112545.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823213508299342.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823213508315206.png

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  • 94在用数学归纳法证明 http://picflow.koolearn.com/upload/papers/20140824/201408240111373191238.png时,则当 http://picflow.koolearn.com/upload/papers/20140824/20140824011137334468.png时左端应在 http://picflow.koolearn.com/upload/papers/20140824/20140824011137365409.png的基础上加上的项是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824011137381425.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824011137397521.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824011137412791.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824011137428869.png

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  • 95用数学归纳法证明等式 http://picflow.koolearn.com/upload/papers/20140824/201408240043407681633.png,从“k到k+1”左端需增乘的代数式为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824004340784608.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824004340815461.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824004340830562.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824004340846606.png

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  • 96已知 n为正偶数,用数学归纳法证明 http://picflow.koolearn.com/upload/papers/20140824/201408240046159411490.png 时,若已假设 http://picflow.koolearn.com/upload/papers/20140824/20140824004615957614.png为偶数)时命题为真,则还需要用归纳假设再证 http://picflow.koolearn.com/upload/papers/20140824/20140824004615973314.png(   )时等式成立           (    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824004615988468.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824004616004519.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824004616019547.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824004616035625.png

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  • 97用数学归纳法证明不等式 http://picflow.koolearn.com/upload/papers/20140823/201408232235541971288.png的过程中, 由 http://picflow.koolearn.com/upload/papers/20140823/20140823223554213409.png递推到 http://picflow.koolearn.com/upload/papers/20140823/20140823223554244468.png时的不等式左边(    )

    A.增加了http://picflow.koolearn.com/upload/papers/20140823/20140823223554259206.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823223554275593.png

    B.增加了http://picflow.koolearn.com/upload/papers/20140823/20140823223554306291.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823223554493731.png

    C.增加了“http://picflow.koolearn.com/upload/papers/20140823/20140823223554493731.png”,又减少了“http://picflow.koolearn.com/upload/papers/20140823/20140823223554540416.png

    D.增加了http://picflow.koolearn.com/upload/papers/20140823/20140823223554275593.png,减少了“http://picflow.koolearn.com/upload/papers/20140823/20140823223554540416.png

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  • 98用数学归纳法证明“ http://picflow.koolearn.com/upload/papers/20140823/201408232154539791086.png”( http://picflow.koolearn.com/upload/papers/20140823/20140823215453995496.png)时,从“ http://picflow.koolearn.com/upload/papers/20140823/20140823215454010516.png”时,左边的式子之比是(  )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215454026468.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215454041516.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823215454073467.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215454275589.png

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  • 99用数学归纳法证明 http://picflow.koolearn.com/upload/papers/20140823/20140823224621630667.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823224621646526.png,则当n=k+1时左端应在n=k的基础上增加 (  ) 

    A.k2+1

    B.(k+1)2

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823224621677683.png

    D.(k2+1)+(k2+2)+(k2+3)+…+(k+1)2

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  • 100某个与自然数有关的命题:如果当n=k( http://picflow.koolearn.com/upload/papers/20140823/20140823213737108518.png)时,命题成立,则可以推出n=k+1时,该命题也成立.现已知n=6时命题不成立(   ).

    A.当n=5时命题不成立

    B.当n=7时命题不成立

    C.当n=5时命题成立

    D.当n=8时命题成立

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