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


int main() {
    ios_base::sync_with_stdio(0);
    int n, a, b, c;
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> a >> b >> c;
        cout << a + b - c << "\n";
    }
    return 0;
}