Private Sub Form_Click( )
Dim i%, j%, k%, t% 't为统计素数的个数
Dim b As Boolean
For i = 100 To 200
b = True
k=
j = Int(Sqr(i))
Do While k <= j And b
If i Mod k = 0 Then
End If
Loop
if b=true then
t = t + 1
Form1.Print i
End If
Next i
Print "t="; t
End Sub