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


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