电脑配置window 7 SP1 64位系统。软件版本VS2010。代码如下:
Sub Main()
Dim a, b As Integer
a = (383484491 + 383484492) / 2.0
b = (445263246 + 445263247) / 2.0
Console.WriteLine(a)
Console.WriteLine(b)
Console.ReadLine()
End Sub
得出的值是a为383484492,而b却是445263246,结果一会向上取整,一会向下取整,为什么?