#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef long double ld;

int l[1010], r[1010], ans[1010];
vector<int> v[5010];

int main() {
	// freopen("in.txt", "r", stdin);
	int t, i, j, n, k;
	cin >> t;
	while(t--) {
		cin >> n >> j >> k;
		cout << n + j - k << endl;
	}
	return 0;
}