#include <bits/stdc++.h>

using namespace std;
int t;
int profit(int b, int s, int c) {
    int r,r1;
    r=b+s;
    r1=r-c;
    return r1;
}

int main() {
    
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int b;
        int s;
        int c;
        cin >> b >> s >> c;
        int result = profit(b, s, c);
        cout << result << endl;
    }
    return 0;
}