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


int main()
{
    ios_base::sync_with_stdio(false);

    int t;
    cin >> t;

    for (; t; --t)
    {
        int b, s, c;
        cin >> b >> s >> c;

        cout << b + s - c << '\n';
    }

    return 0;
}