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


int main() {
    int t; cin >> t;
    
    while (t--) {
        int a; cin >> a;
        int b; cin >> b;
        int c; cin >> c;
        
        cout << a + b - c << endl;
    }
    
    return 0;
}