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下述代码A和B正确的值是（） Dim X As String = "123" Dim Y As Integer = 123 Dim A As String = X + Y Dim B As String = X & Y
A“246”，“123123”
B246，“123123”
C“123123”，“123123”
D123123，“123123”
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下述代码A和B正确的值是（） Dim X As String = "123" Dim Y As Integer = 123 Dim A As String = X + Y Dim B As String = X YA、“246”，“123123”B、246，“123123”C、“123123”，“123123”D、123123，“123123”
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单选题下述代码A和B正确的值是（） Dim X As String = "123" Dim Y As Integer = 123 Dim A As String = X + Y Dim B As String = X YA
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