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

int main() {
    int tcn;
    cin >> tcn;
    for(int i = 0; i < tcn; i++){
        int a = 0, b = 0, c = 0;
        cin >> a >> b >> c;
        cout << (a+b)-c << "\n";
    }
    return 0;
}