#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main()
{
   int Q=0; cin>>Q;
   for(auto q=0; q<Q;++q)
   {
      int b,s,c;
      cin>>b>>s>>c;

      cout<<b+s-c<<endl;
   }
    return 0;
}