高一信息会考题 关于vb在Visual Basic中,与程序段:a = a + bb = a - ba = a - b功
高一信息会考题 关于vb 在Visual Basic中,与程序段: a = a + b b = a - b a = a - b 功能相同的程序段是 A. a = b b = a B. a = a + b a = a - b b = a - b C. t = a a = b b = t D. IF a > b THEN a = b ELSE b = a END IF 为什么不选A,选C