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


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