• 2021-04-14 问题

    为表示逻辑表达式79 ( X>79 )&&( X<90 )

    为表示逻辑表达式79 ( X>79 )&&( X<90 )

  • 2022-06-19 问题

    若随机变量X~B(6,12),则P(x=3)等于(  ) A: 516 B: 316 C: 58 D: 716

    若随机变量X~B(6,12),则P(x=3)等于(  ) A: 516 B: 316 C: 58 D: 716

  • 2022-05-29 问题

    Thegraphoff(x)=x<sup>2</sup>istranslated2unitsdownand4unitsleft.Iftheresultinggraphrepresentsg(x),theng(-5)=______. A: -1 B: 3 C: 45 D: 79 E: 81

    Thegraphoff(x)=x<sup>2</sup>istranslated2unitsdownand4unitsleft.Iftheresultinggraphrepresentsg(x),theng(-5)=______. A: -1 B: 3 C: 45 D: 79 E: 81

  • 2021-04-14 问题

    设机器字长为8位(含1位符号位),x= 79,则[x]原=( ) ,[x]反=( ),[x]移=( ),[x]补=( ),[-x]补=( ),[(1/2)x]补=( )

    设机器字长为8位(含1位符号位),x= 79,则[x]原=( ) ,[x]反=( ),[x]移=( ),[x]补=( ),[-x]补=( ),[(1/2)x]补=( )

  • 2022-06-19 问题

    以下哪段代码能把数值516以二进制的形式写入My文件中。 A: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.Save(516); B: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.write(516); C: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.Write(516); D: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.save(516);

    以下哪段代码能把数值516以二进制的形式写入My文件中。 A: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.Save(516); B: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.write(516); C: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.Write(516); D: BinaryWriter bw = new BinaryWriter(File.Open("My", FileMode.Create));bw.save(516);

  • 2022-06-19 问题

    以下哪段代码能把数值516以二进制的形式写入My文件中。 A: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.Save(516); B: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.write(516); C: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.Write(516); D: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.save(516);

    以下哪段代码能把数值516以二进制的形式写入My文件中。 A: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.Save(516); B: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.write(516); C: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.Write(516); D: BinaryWriter bw = new BinaryWriter(File.Open(&quot;My&quot;, FileMode.Create));bw.save(516);

  • 2022-06-11 问题

    若相互独立的随机变量[img=516x79]17da70a20546106.png[/img],则随机变量[img=368x79]17da70a21b6a267.png[/img]( )

    若相互独立的随机变量[img=516x79]17da70a20546106.png[/img],则随机变量[img=368x79]17da70a21b6a267.png[/img]( )

  • 2022-06-11 问题

    若随机变量[img=516x79]17da70a5163a353.png[/img],且两者独立,则随机变量[img=364x80]17da70a52c6febf.png[/img]( )

    若随机变量[img=516x79]17da70a5163a353.png[/img],且两者独立,则随机变量[img=364x80]17da70a52c6febf.png[/img]( )

  • 2022-05-26 问题

    2,1,9,30,117,()。 A: 516 B: 441 C: 217 D: 174

    2,1,9,30,117,()。 A: 516 B: 441 C: 217 D: 174

  • 2021-04-14 问题

    79

    79

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