#include <iostream>
#include <cmath>
using namespace std;
int ile=5;
int test;
int main()
{
cin>>test;
for(int i=0; i<test; i++)
{
double tablica[5];
double suma=0;
double srednia;
for(int i=0; i<ile; i++)
{
cin>>tablica[i];
suma+=tablica[i];
}
srednia=suma/ile;
cout <<"srednia wynosi: " << srednia <<endl;
double m=tablica[0];
for(int i=1; i<=ile; i++)
{
if(abs(srednia-tablica[i])<abs(srednia-m))
m=tablica[i];
}
cout << "m wynosi: " << m<< endl;
}
return 0;
}
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