#include <iostream>
#include <cstdio>
#include <cassert>
#include <ctime>
#include <cmath>
#include <cstring>
#include <string>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <unordered_map>
#include <set>

using namespace std;

#ifdef LOCAL
#define dbg(x) cerr << #x " = " << x << endl;
#include "pretty_print.h"
#else
#define dbg(x)
#endif

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;

#define snd second
#define fst first

template <typename T> T sqr(T x) { return x * x; }
template <typename T> T abs(T x) { return x < 0? -x : x; }
template <typename T> T gcd(T a, T b) { return b? gcd(b, a % b) : a; }
template <typename T> bool chmin(T &x, const T& y) { if (x > y) { x = y; return true; } return false; }
template <typename T> bool chmax(T &x, const T& y) { if (x < y) { x = y; return true; } return false; }


int main(int /* argc */, char** /* argv */)
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t;
    cin >> t;
    while (t--) {
        int a, b, c;
        cin >> a >> b >> c;
        cout << a + b - c << endl;
    }
    cerr << "Time execute: " << clock() / (double)CLOCKS_PER_SEC << " sec" << endl;
    return 0;
}