1. Public Class Form1
Private Sub Label5_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Label5.Click
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button1.Click
TextBox5.Text = (Val(TextBox1.Text) + Val(TextBox2.Text) +
Val(TextBox3.Text) + Val(TextBox4.Text)) / 4
If Val(TextBox5.Text) >= 10 Then

2. TextBox6.Text = "Aprobado"
Else
TextBox6.Text = "Desaprobado"
End If
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button2.Click
TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()
TextBox5.Clear()
TextBox6.Clear()
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button3.Click
End
End Sub
End Class