题目内容

设有如下程序段:x = 2For i = 1 To 20 Step 3x = x + iNext i运行以上程序后,x的值是______。

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执行以下程序段a$= "Abcdefghijk"For i = 6 To 2 Step -2y = Mid(a, i, i)x = Left(a, i)z = Right(a, i)z = UCase(x & y & z)Next iPrint z

有下面程序代码:Private Sub Command1_Click()Dim Sign As IntegerSign = 1a = 2b = 3For k = 1 To 5c = a+ Sign * ba = bb = cPrint c;Sign = -SignNext kEnd Sub

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