下面的程序输出100-300之间的素数,阅读程序并填空。 Function sushu(Byval x As Integer) As Boolean Dim i As Integer sushu = False For i = 2 To sqr(x) If x Mod i = 0 Then exit for Next i If i >= sqr(x) Then _____________ End Function Private Sub Command1_Click() Dim m As Integer For m = 100 To 300 If sushu(m) Then Print m; Next m End Sub