#include<iosream> #include<manip> using namespace std; int main(){ float a=5; int b=8,c=12; cout<<fixed<<setprecision(3)<<(a+b+c)/3<<endl; cout<<39/a<<" "<<39%a<<endl; cout<<39/b<<" "<<39%b<<endl; cout<<39/c<<" "<<39%c<<endl; return 0; }