问题描述：
VB6.下列程序段执行后,FOR循环体共执行了几次?
Dim A(20) As Integer
For I = 20 To 2 Step -2
A(I) = A(I) + 2
Next I
Dim A(20) As Integer
For I = 20 To 2 Step -2
A(I) = A(I) + 2
Next I
问题解答：
我来补答展开全文阅读