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


int main() {
     
     int b,s,combo,t,cp,profit;
  cin>>t;
  while(t--)
  {
  cin>>b>>s>>combo;
  cp=b+s;
  profit=cp-combo;
  cout<<profit;
  }

    return 0;
}