#include <map>
#include <set>
#include <cmath>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <cstdio>
#include <vector>
#include <cstdlib>
#include <iostream>
#include <algorithm>

using namespace std;

const int N = (int) 3e5 + 7;
const int MOD = (int) 1e9 + 7;

int profit(int a, int b, int c) {
	return a + b - c; 
}


int main() {
  #ifdef LOCAL
  freopen("in.txt", "r", stdin);
  #endif
  ios_base::sync_with_stdio(0);

  int t; cin >> t;
  for(int test = 1; test <= t; test++) {
  	int a, b, c; cin >> a >> b >> c;
  	cout << profit(a, b, c) << endl;
  }
  return 0;
}