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

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