[单项选择题] 先在 窗体上添加一个命令按纽,然后编写如下程序: Function fun(ByVal nm As Long)As Long Dim k As Long k=1 num=
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[单项选择题] 先在 窗体上添加一个命令按纽,然后编写如下程序:
Function fun(ByVal nm As Long)As Long
Dim k As Long
k=1
num=Abs(num)
Do While num
k=k*(num Mod 10)
num=num10
Loop
fun=k
End Function
Private Sub Command1_Click()
Dim n As Long
Dim r As Long
n=InputBox(“请输入一个数”)
n=CLng(n)
r=fun(n)
Print r
End Sub
则在程序运行后,单击命令按纽,在对话框中输入“100”,输出结果是______。
A.0
B.100
C.200
D.300
参考答案: