#include <bits/stdc++.h>

using namespace std;

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

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