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


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