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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    int t;
    cin >> t;
    while (t--) {
        int a, b, c;
        cin >> a >> b >> c;
        cout << a + b - c << endl;
    }
    return 0;
}