#include <iostream>
#include <cstdio>

using namespace std;

int main() {
//    #ifndef ONLINE_JUDGE
//    freopen("input.txt","r",stdin);
//    #endif // ONLINE_JUDGE

    int T;
    cin >> T;

    while(T--) {
        int a, b, c;

        cin >> a >> b >> c;

        cout << a + b - c << '\n';
    }

    return 0;
}