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以下程序的功能是从键盘输入若干个学生的考试成绩，统计并输出最高分和最低分，当输入负数时结束输入。请填空。 Private Sub Command1_Click() Dim x,amax,amin As Single x=InputBox("Enter a score") amax=x amin=x Do While If x＞amax Then amax=x End If IfThen amin=x End If x=InputBox("enter a score") Loop Print "max=";amax,"min=";amin End Sub

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