#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MAX 100005
#define MOD 1000000007
#define pb push_back
#define mp make_pair

int main() 
{
	ios_base::sync_with_stdio(false);cin.tie(NULL);
	ll t, a,b, c;
	cin >> t;
	while(t--) {
		cin >> a >> b >> c;
		ll cost = (a + b - c);
		cout << cost << endl;
	}
	return 0;
}