• 2022-06-10 问题

    以下哪个Python语句是正确的 A: if(x>y)printx B: min=x if x C: whileTrue:pass D: max=x>y x:y

    以下哪个Python语句是正确的 A: if(x>y)printx B: min=x if x C: whileTrue:pass D: max=x>y x:y

  • 2022-05-23 问题

    下列Python语句正确的是 ( ) A: min=x <br/>If xy<br/>?x:y B: if(x&gt;y)<br/>printx C: while True:

    下列Python语句正确的是 ( ) A: min=x <br/>If xy<br/>?x:y B: if(x&gt;y)<br/>printx C: while True:

  • 2021-04-14 问题

    下列程序段的执行结果是()。 X=3:Y=5:Z=9 X=X+Y Y=X-Y IfX-Y>Z-XThenZ=X+Y IfX+Y>Z-YThenX=Z+Y PrintX,Y,Z

    下列程序段的执行结果是()。 X=3:Y=5:Z=9 X=X+Y Y=X-Y IfX-Y>Z-XThenZ=X+Y IfX+Y>Z-YThenX=Z+Y PrintX,Y,Z

  • 2022-06-06 问题

    shell脚本中,读取从键盘输入的值给变量x的语句为()。 A: echox B: printx C: writex D: read-px

    shell脚本中,读取从键盘输入的值给变量x的语句为()。 A: echox B: printx C: writex D: read-px

  • 2022-06-16 问题

    单击命令按钮时,下列程序代码的执行结果为( )。 Private Sub Procl(nAs Integer,ByValmASInteger) n=nMod 10 m=m\10 End Sub PrivateSubCommandl_Click() Dimx As Integer Dimy As Integer x=12 y=34 CallProcl(x,y) Printx;y End Sub A: 12 34 B: 2 34 C: 2 3 D: 12 3

    单击命令按钮时,下列程序代码的执行结果为( )。 Private Sub Procl(nAs Integer,ByValmASInteger) n=nMod 10 m=m\10 End Sub PrivateSubCommandl_Click() Dimx As Integer Dimy As Integer x=12 y=34 CallProcl(x,y) Printx;y End Sub A: 12 34 B: 2 34 C: 2 3 D: 12 3

  • 2021-04-14 问题

    运行以下程序,第二次单击窗体后,窗体上显示()。PrivateSubForm_Click()Dimx%Staticy%Form1.Clsx=x+3y=y*x+2Printx&","&yEndSub

    运行以下程序,第二次单击窗体后,窗体上显示()。PrivateSubForm_Click()Dimx%Staticy%Form1.Clsx=x+3y=y*x+2Printx&","&yEndSub

  • 2022-06-09 问题

    设\(z = \int_ { { x^2}}^y { { e^t}\sin t} dt\),则\({z_{xx}=}\) A: \(2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} + 2{x^2}\cos {x^2}} \right]\) B: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} - 2{x^2}\cos {x^2}} \right]\) C: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} + 2{x^2}\cos {x^2}} \right]\) D: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\cos {x^2} + 2{x^2}\sin {x^2}} \right]\)

    设\(z = \int_ { { x^2}}^y { { e^t}\sin t} dt\),则\({z_{xx}=}\) A: \(2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} + 2{x^2}\cos {x^2}} \right]\) B: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} - 2{x^2}\cos {x^2}} \right]\) C: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\sin {x^2} + 2{x^2}\cos {x^2}} \right]\) D: \( - 2{e^ { { x^2}}}\left[ {\left( {1 + 2{x^2}} \right)\cos {x^2} + 2{x^2}\sin {x^2}} \right]\)

  • 2022-05-31 问题

    数学式 A: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sinx^2-Cos2x)) B: (Exp(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) C: (Exp(2*x)*Ln(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) D: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x)^2-Cos(x)^2))

    数学式 A: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sinx^2-Cos2x)) B: (Exp(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) C: (Exp(2*x)*Ln(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) D: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x)^2-Cos(x)^2))

  • 2022-06-19 问题

    与数学关系式[img=114x22]1803bce8722f322.png[/img]等价的C语言关系表达式是? A: x < -2 && x > 2 B: x < -2 || x > 2 C: -2 < x < 2 D: !(-2 <= x <=2) E: !(-2 <=x && x <= 2) F: x < -2, x > 2

    与数学关系式[img=114x22]1803bce8722f322.png[/img]等价的C语言关系表达式是? A: x < -2 && x > 2 B: x < -2 || x > 2 C: -2 < x < 2 D: !(-2 <= x <=2) E: !(-2 <=x && x <= 2) F: x < -2, x > 2

  • 2022-06-01 问题

    求微分方程[img=101x35]17da5f15503f795.png[/img] 的通解,实验命令为(). A: dsolve(Dy+2*x*y=x*exp(-x^2))ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2 B: dsolve('Dy+2*x*y=x*exp(-x^2)','x')ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2 C: dsolve('Dy+2*x*y=x*exp(-x^2)')ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2

    求微分方程[img=101x35]17da5f15503f795.png[/img] 的通解,实验命令为(). A: dsolve(Dy+2*x*y=x*exp(-x^2))ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2 B: dsolve('Dy+2*x*y=x*exp(-x^2)','x')ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2 C: dsolve('Dy+2*x*y=x*exp(-x^2)')ans=C1*exp(-x^2) + (x^2*exp(-x^2))/2

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