设有如下程序代码：
Private Sub Command1_Click( )
Dim x As Integer
x = 30
Print f(x) + f(x)
End Sub
Private Function f(a As Integer) As Integer
a = a/3
f = a
End Function
运行Command1_Click过程所产生的输出是______。

单项选择题有如下程序代码：Private Sub Form_Click( )Dim a(3, 3) As IntegerFor i = 1 To 3For j = 1 To 3If j ＞ 1 And i ＞ 1 Thena(i, j) = a(a(i - 1，j - 1), a(i, j - 1)) + 1Elsea(i, j) = i * jEnd IfPrint a(i, j);Next jPrintNext iEnd Sub程序运行后，单击窗体，输出结果为______。

单项选择题设有函数下面不能正确计算y值的是______。