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


int main() {
    int t;
    cin >> t;
    
    for (int i = 0; i < t; i++)
    {
        int b, s, c;
        cin >> b >> s >> c;
        
        cout << b + s - c << endl;        
    }
    return 0;
}