#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define fast_input cin.tie(NULL); ios_base::sync_with_stdio(false)
#define pb push_back
#define mp make_pair
#define pii make_pair<int, int> 
using namespace std;

const int mod = 1e9+7;

int main(){
	int t; cin >> t;
	while(t--){
		int a, b, c; cin >> a >> b >> c;
		cout << (a+b)-c << "\n"; 
	}



	return 0;
}