7[分析题]
#include<iomanip.h> #include”abc.h” void main() {      double a,b,c;      double averageValue;      a=2;b=3;c=4;      averageValue=AVE(a,b,c);      cout<<”averageValue;”<<averageValue<<endl;      averageValue=AVE(a,b 1,c 2);      cout<<”averageValue:”<<averageValue<<endl; }其中abc.h文件的内容如下： double AVE(double x,double y,double z) {       return (x y z)/3; }