问题
单项选择题
下列程序的输出结果为( )。#include<iostream.h>#include<iomanip.h>void main(){ cout.precision(4); cout<<123.127 cout<<" "<<123.46;}
A.123.1 123.4
B.123.1 123.46
C.123.127 123.46
D.123.1123.4
答案
参考答案:A
下列程序的输出结果为( )。#include<iostream.h>#include<iomanip.h>void main(){ cout.precision(4); cout<<123.127 cout<<" "<<123.46;}
A.123.1 123.4
B.123.1 123.46
C.123.127 123.46
D.123.1123.4
参考答案:A