#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#define l long int
using namespace std;


int main() {
  
   l t;
    cin>>t;
    while(t--)
    {
         l b,s,c;
    cin>>b>>s>>c;
    cout<<b+s-c<<endl;
    }
    
    return 0;
}