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


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