• 2022-06-19 问题

    设p是一个素数,且p≡-1(mod4)则Zp的所有非零平方元的集合D是Zp的加法群的()差集。 A: (4n+1,2n-1,n-2) B: (4n-1,2n-1,n-1) C: (4n-1,2n+1,n-3) D: (4n-1,2n,n)

    设p是一个素数,且p≡-1(mod4)则Zp的所有非零平方元的集合D是Zp的加法群的()差集。 A: (4n+1,2n-1,n-2) B: (4n-1,2n-1,n-1) C: (4n-1,2n+1,n-3) D: (4n-1,2n,n)

  • 2022-06-06 问题

    下面____程序段不能正确显示1!、2!、3!、4!的值。 A: For I=1 To 4 n=1 For j=1 to I n=n*j Next j Print n Next I B: For I=1 To 4 For j=1 to I n=1 n=n*j Next j Print n Next I C: n=1 For j=1 to 4 n=n*j Print n Next j D: n=1:j=1 Do While j<=4 n=n*j Print n j=j+1Loop

    下面____程序段不能正确显示1!、2!、3!、4!的值。 A: For I=1 To 4 n=1 For j=1 to I n=n*j Next j Print n Next I B: For I=1 To 4 For j=1 to I n=1 n=n*j Next j Print n Next I C: n=1 For j=1 to 4 n=n*j Print n Next j D: n=1:j=1 Do While j<=4 n=n*j Print n j=j+1Loop

  • 2022-06-06 问题

    下列程序段能分别正确显示1!、2!、3!、4!的值的是______。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j MsgBox(n) Next jNext i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j &lt;= 4 n = n * j MsgBox(n) j = j + 1Loop

    下列程序段能分别正确显示1!、2!、3!、4!的值的是______。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j MsgBox(n) Next jNext i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j &lt;= 4 n = n * j MsgBox(n) j = j + 1Loop

  • 2022-06-06 问题

    下列程序段能且只能显示1!、2!、3!、4!的值的是( )。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox(n)Next i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j <= 4 n = n * j j = j + 1LoopMsgBox(n)

    下列程序段能且只能显示1!、2!、3!、4!的值的是( )。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox(n)Next i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j <= 4 n = n * j j = j + 1LoopMsgBox(n)

  • 2022-05-28 问题

    在下列各项中,运算级别最低的为( )。 A: m=2,n=1 m=1,n=2 B: m=2,n=1 m=4,n=1 C: m=1,n=2 m=1,n=4 D: m=1,n=2 m=2,n=4

    在下列各项中,运算级别最低的为( )。 A: m=2,n=1 m=1,n=2 B: m=2,n=1 m=4,n=1 C: m=1,n=2 m=1,n=4 D: m=1,n=2 m=2,n=4

  • 2022-10-24 问题

    已知x(n)={1, 2, 3},y(n)={1, 2, 1},则x(n)*y(n)=________。(下划线表示n=0) A: {1, 4, 8, 8, 3} B: {1, 4, 8, 8, 3} C: {1, 4, 8, 8, 3} D: {1, 4, 8, 8, 3}

    已知x(n)={1, 2, 3},y(n)={1, 2, 1},则x(n)*y(n)=________。(下划线表示n=0) A: {1, 4, 8, 8, 3} B: {1, 4, 8, 8, 3} C: {1, 4, 8, 8, 3} D: {1, 4, 8, 8, 3}

  • 2022-06-06 问题

    下列程序段不能正确显示1!、2!、3!、4!的结果的是 。 A: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox( n)Next i B: Dim i%, j%, n%For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox( n)Next i C: Dim j%, n%n = 1For j = 1 To 4 n = n * j MsgBox( n)Next j D: Dim j%, n%n = 1j = 1Do While j<=4 n=n*j MsgBox(n) j=j+1Loop E: Dim j%, n%n = 1j = 1Do n=n*j MsgBox(n) j=j+1Loop While j<=4

    下列程序段不能正确显示1!、2!、3!、4!的结果的是 。 A: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox( n)Next i B: Dim i%, j%, n%For i = 1 To 4 n = 1 For j = 1 To i n = n * j Next j MsgBox( n)Next i C: Dim j%, n%n = 1For j = 1 To 4 n = n * j MsgBox( n)Next j D: Dim j%, n%n = 1j = 1Do While j<=4 n=n*j MsgBox(n) j=j+1Loop E: Dim j%, n%n = 1j = 1Do n=n*j MsgBox(n) j=j+1Loop While j<=4

  • 2022-06-27 问题

    对于N台接收机同步观测一个时段包含的基线(GPS边)数为( ) A: N(N+1)/2 B: N/2 C: N(N-1)/2 D: 4N-1

    对于N台接收机同步观测一个时段包含的基线(GPS边)数为( ) A: N(N+1)/2 B: N/2 C: N(N-1)/2 D: 4N-1

  • 2022-06-16 问题

    当n为整数是,求1^n+(-1)^n/4+(-1)^n+(-1)^n+1/4当n为整数是,求1^n+(-1)^n/4+(-1)^n+(-1)^n+1/4

    当n为整数是,求1^n+(-1)^n/4+(-1)^n+(-1)^n+1/4当n为整数是,求1^n+(-1)^n/4+(-1)^n+(-1)^n+1/4

  • 2022-05-29 问题

    下列说法:(1)\(N(AA^T)=N(A)\);(2)\(N(A^TA)=N(A)\);(3)\(C(A^TA)=C(A^T)\);(4)\(C(A^T)=N(A)\). 其中正确的是____. A: (1)(3) B: (2)(3) C: (1)(4) D: (2)(4)

    下列说法:(1)\(N(AA^T)=N(A)\);(2)\(N(A^TA)=N(A)\);(3)\(C(A^TA)=C(A^T)\);(4)\(C(A^T)=N(A)\). 其中正确的是____. A: (1)(3) B: (2)(3) C: (1)(4) D: (2)(4)

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