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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

试卷介绍

高中数学代数与函数一其他练习题2

试卷预览

  • 101用数学归纳法证明不等式“ http://picflow.koolearn.com/upload/papers/20140824/201408240121455171209.png”的过程中,由n=k到n=k+1时,不等式的左边(   )

    A.增加了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145532593.png

    B.增加了两项http://picflow.koolearn.com/upload/papers/20140824/20140824012145548731.png

    C.增加了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145532593.png,又减少了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145579416.png

    D.增加了两项http://picflow.koolearn.com/upload/papers/20140824/20140824012145548731.png,又减少了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145579416.png

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  • 102在应用数学归纳法证明凸n变形的对角线为 http://picflow.koolearn.com/upload/papers/20140824/20140824025704768668.png条时,第一步检验n等于( )

    A.1

    B.2

    C.3

    D.4

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  • 103用数学归纳法证明“ n 3+( n+1) 3+( n+2) 3,( n∈N +)能被9整除”,要利 用归纳法假设证 n= k+1时的情况,只需展开(  ).

    A.(k+3)3

    B.(k+2)3

    C.(k+1)3

    D.(k+1)3+(k+2)3

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  • 104对于不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823223616443942.png某同学应用数学归纳法证明的过程如下: (1)当 http://picflow.koolearn.com/upload/papers/20140823/20140823223616474357.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823223616489496.png,不等式成立 (2)假设 http://picflow.koolearn.com/upload/papers/20140823/20140823223616505884.png时,不等式成立,即 http://picflow.koolearn.com/upload/papers/20140823/20140823223616536604.png 那么 http://picflow.koolearn.com/upload/papers/20140823/20140823223616552466.png时, http://picflow.koolearn.com/upload/papers/20140823/201408232236165672416.png 不等式成立根据(1)(2)可知,对于一切正整数 http://picflow.koolearn.com/upload/papers/20140823/20140823223616599297.png不等式都成立。上述证明方法(    )

    A.过程全部正确

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823223616474357.png验证不正确

    C.归纳假设不正确

    D.从http://picflow.koolearn.com/upload/papers/20140823/20140823223616630415.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823223616552466.png的推理不正确

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  • 105利用数学归纳法证明 “ http://picflow.koolearn.com/upload/papers/20140824/201408240115006341616.png ”时,从“ http://picflow.koolearn.com/upload/papers/20140824/20140824011500649409.png”变到  “ http://picflow.koolearn.com/upload/papers/20140824/20140824011500665468.png”时,左边应增乘的因式是 

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824011500681442.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824011500696523.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824011500712747.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824011500727575.png

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  • 106观察式子: http://picflow.koolearn.com/upload/papers/20140824/20140824012146047607.png , http://picflow.koolearn.com/upload/papers/20140824/20140824012146078696.png , http://picflow.koolearn.com/upload/papers/20140824/20140824012146094789.png ,……则可归纳出式子( http://picflow.koolearn.com/upload/papers/20140824/20140824012146110489.png)(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/201408240121461101048.png

    B.http://picflow.koolearn.com/upload/papers/20140824/201408240121461411020.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824012146141988.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824012146156995.png

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  • 107用数学归纳法证明 http://picflow.koolearn.com/upload/papers/20140823/201408232255424671442.png,在验证 http://picflow.koolearn.com/upload/papers/20140823/20140823225542482356.png成立时,左边所得的项为   (   )

    A.1

    B.1+http://picflow.koolearn.com/upload/papers/20140823/20140823225542498278.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823225542513429.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823225542545545.png

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  • 108用数学归纳法证明1+a+a 2 http://picflow.koolearn.com/upload/papers/20140823/201408232224210721256.png 在验证n=1成立时,左边计算所得结果为(     )

    A.1

    B.1+a

    C.1+a+a2

    D.1+a+ahttp://picflow.koolearn.com/upload/papers/20140823/20140823222421088427.png

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  • 109用数学归纳法证明“ http://picflow.koolearn.com/upload/papers/20140824/201408240602227361229.png”( http://picflow.koolearn.com/upload/papers/20140824/20140824060222767521.png)时,从 “ http://picflow.koolearn.com/upload/papers/20140824/20140824060222829594.png”时,左边应增添的式子是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824060222845442.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824060222860562.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824060222876540.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824060222892560.png

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  • 110用反证法证明命题“a,b∈N,如果ab可被5整除,那么a,b至少有1个能被5整除.”则假设的内容是(  )

    A.a,b都能被5整除

    B.a,b都不能被5整除

    C.a,b不能被5整除

    D.a,b有1个不能被5整除

    开始考试练习点击查看答案
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