• 2021-04-14
    下列程序中 s = s + j 语句共执行了______次。 Dim s As Integer Dim i As Integer, j As Integer For i = 1 To 10 Step 2 For j = 1 To 5 Step 2 s = s + j Next j Next i Print s
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      单击窗体,在窗体上打印数列:2/1 ,3/2 ,5/3 ,8/5 ,13/8 … 的前10项,并求其和,将和保存在变量s中。 Private Sub Form_Click() Dim i%, j%, k%, m As Integer Dim s As Single s = 0 i = 2 'i为分子 j = 1 'j为分母 For k = 1 To 10 s = 【1】 Print i & "/" & j m = j j = i i = 【2】 Next Print s End Sub

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      下列程序段中,循环体s = s +1执行了几次? For i = 0 To 7 Step 3 For j = 0 To 7 Step 2 s = s + 1 Next Next

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      下列程序: Option Base 1 Private Sub Form_Click() Dim a(5,5) For i = 1 To 5 For j = 1 To 5 k = k + 1 a (i,j)= k Next j Next i For i = 1 To 5 s = s + a (i,i) Next i Print s End Sub 运行时的输出结果是( )。

    • 3

      执行下列程序段后,程序的运行结果为()。 s = 1 For i = 1 To 3 For j = 0 To i - 1 s = s + s * j Next j Print s; Next i

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      下面的程序段执行后共循环了 次 For i = 1 To 2 For j = 5 To 1 Step -1 Print i*j Next j Next i