3 #include <iostream.h> double avg(double[l, int); void maino { double math14={78.5,44.3,995,72.6}; double chem6]={88,65.5,79.8,88.4,84.6,92}; cout<< average of math=<<avg(math, 4)<<endl; cout<< average of chem=<<avg(chem, 6)<<endl; double avg( double corell, int n) i int i; double sum=score[O] for(i=l; i<n; i++) sum+=score; return sum/n; 1 C++程序设计课件设计制作:徐龙琴 8C++程序设计课件 设计制作：徐龙琴 8 3、#include <iostream.h> double avg(double,int); void main() { double math[4]={78.5,44.3,99.5,72.6}; double chem[6]={88,65.5,79.8,88.4,84.6,92}; cout<<"average of math="<<avg(math,4)<<endl; cout<<"average of chem="<<avg(chem,6)<<endl;} double avg(double score[],int n) { int i; double sum=score[0]; for(i=1;i<n;i++) sum+=score[i]; return sum/n;} double avg(double[],int);