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


int main() {
    int T;
    int a,b,c;
    cin >> T;
    for (int i = 1; i <= T; ++i) {
        cin >> a >> b >> c;
        cout << a + b - c << "\n";
    }
    return 0;
}