在窗体上添加了一个命令按钮Command1,单击命令按钮Command1,执行如下事件过程,该过程的功能是通过For循环计算一个表的值,这个表是1/2+2/3+3/4+4/5。(***语句请用小写字母填空) Private Sub Command1_Click() Dim [1] AsDouble, x As Double Dim n As Long Dim i AsInteger sum = [2] n = 0 For i = 1 To 5 x = n / i n = n + 1 sum = [3] Next Form1.Print sum End Sub