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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

试卷预览

  • 61用数学归纳法证明等式 http://picflow.koolearn.com/upload/papers/20140824/20140824015200096948.png时,第一步验证 http://picflow.koolearn.com/upload/papers/20140824/20140824015200112350.png时,左边应取的项是

    A.1

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824015200128331.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824015200143440.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824015200159458.png

    开始考试练习点击查看答案
  • 62用数学归纳法证明等式 http://picflow.koolearn.com/upload/papers/20140824/201408240118129041192.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824011812920577.png时,第一步验证 http://picflow.koolearn.com/upload/papers/20140824/20140824011812935353.png时,左边应取的项是(   )

    A.1

    B.1+2

    C.1+2+3

    D.1+2+3+4

    开始考试练习点击查看答案
  • 63用数学归纳法证明不等式 http://picflow.koolearn.com/upload/papers/20140824/201408240156214901306.png,第二步由k到k+1时不等式左边需增加(      )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824015621506411.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824015621522607.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824015621537742.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824015621553829.png

    开始考试练习点击查看答案
  • 64某个命题与正整数有关,如果当 n= k( k∈N +)时,该命题成立,那么可 推得当 n= k+1时命题也成立.现在已知当 n=5时,该命题不成立,那么可推得(  )

    A.当n=6时该命题不成立

    B.当n=6时该命题成立

    C.当n=4时该命题不成立

    D.当n=4时该命题成立

    开始考试练习点击查看答案
  • 65用数学归纳法证明不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823225624727844.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823225624743573.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823225624836423.png时,第一步应证明下述哪个不等式成立(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823225624868365.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823225624883479.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823225624899590.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823225625039506.png

    开始考试练习点击查看答案
  • 66用数学归纳法证明命题时,此命题左式为 http://picflow.koolearn.com/upload/papers/20140823/20140823223826781801.png,则n=k+1与n=k时相比,左边应添加(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823223826796496.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823223826812751.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823223826828922.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823223826859612.png

    开始考试练习点击查看答案
  • 67如果命题P(n)对n=k成立,则它对n=k+1也成立,现已知P(n)对n=4不成立,则下列结论正确的是(  )

    A.P(n)对n∈N*成立

    B.P(n)对n>4且n∈N*成立

    C.P(n)对n<4且n∈N*成立

    D.P(n)对n≤4且n∈N*不成立

    开始考试练习点击查看答案
  • 68用数学归纳法证明 http://picflow.koolearn.com/upload/papers/20140824/201408240509156971010.png,从 http://picflow.koolearn.com/upload/papers/20140824/20140824050915744306.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824050915759363.png,左边需要增乘的代数式为()

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824050915775420.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050915790536.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050915806493.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050915822546.png

    开始考试练习点击查看答案
  • 69用数学归纳法证明“当 n为正奇数时, xn+ yn能被 x+ y整除”的第二步 是(  ).

    A.假使n=2k+1时正确,再推n=2k+3正确

    B.假使n=2k-1时正确,再推n=2k+1正确

    C.假使n=k时正确,再推n=k+1正确

    D.假使n≤k(k≥1),再推n=k+2时正确(以上k∈N+)

    开始考试练习点击查看答案
  • 70用数学归纳法证明:“ http://picflow.koolearn.com/upload/papers/20140823/201408232150363451341.png”时,由 http://picflow.koolearn.com/upload/papers/20140823/20140823215036360633.png不等式成立,推证 http://picflow.koolearn.com/upload/papers/20140823/20140823215036376474.png时,左边应增加的项数是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215036407395.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215036423418.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823215036438370.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215036454425.png

    开始考试练习点击查看答案
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