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


int main() 
{
    int t;
    cin >> t;
    
    while(t--)
    {
        int burger, soda, combo;
        cin >> burger >> soda >> combo;
        
        
        cout << (burger + soda) - combo << endl;        
    }
    
    return 0;
}