Dim a As Integer, b As Integer
a=6
b=8
S=1+a*b/2
Print S
Private Sub Command1_ Click()
a=Text2. Text '总评分
If a <75 Then
Label4. Caption ="★ 继续努力!"
Else
If a>90 Then
Label4. Caption ="★★★ 很棒!"
Label4. Caption = "★★ 加油!"
End If
End Sub
For循环变量=初值 To 终值 [Step 步长]
[循环体]
Next [{循环变量]
请画出For循环执行的流程框图