#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
#include<bits/stdc++.h>
#define ll long long
void solve(){
    ll a, b, c;
    cin >> a >> b >> c;
    ll ff = a + b - c;
    cout << ff << endl;
}

int main() {
    int t; cin >> t;
    while(t--) solve();
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}