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


int main() 
{
   long long int t,c,b,s;   
    cin>>t;
    
    for(int z=1;z<=t;z++)
    {
      cin>>b>>s>>c;
      cout<<(b+s)-c<<endl;
    }
    return 0;
}