下列程序执行后,变量x的值为( )。 Dim a,b,c,d As Single Dim x As Single a=10 b=30 c=400 If b>a Then d=a:a=b:b=d End If If b>c Then x=b Else If a>c Then x=c Else x=a End If
单选题
下列程序执行后,变量x的值为( )。 Dim a,b,c,d As Single Dim x As Single a=10 b=30 c=400 If b>a Then d=a:a=b:b=d End If If b>c Then x=b Else If a>c Then x=c Else x=a End If