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

int profit(int b, int s, int c) {
    return b + s - c;
}

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