#include <bits/stdc++.h>

using namespace std;

int main() {
    int t;
    cin >> t;
  while(t--){
        int b,s,c,r,n,m,d,z;
       
        cin >> b >> s >> c;
        d=b+s;
      r=d-c;
      
     
      cout<<r<<endl;}
    return 0;
}