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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int tc;
    cin >> tc;
    while (tc--) {
        int a,b,c;
        cin >> a >> b >> c;
        cout << a+b-c << endl;
    }
    return 0;
}