[单选题]

下列程序的输出结果为()。includeincludevoid main(){cout.precision(4

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

参考答案与解析:

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