#include <bits/stdc++.h>
using namespace std;

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef long long ll;
typedef pair<long long, long long> l4;
typedef vector<long long> vll;
typedef double db;
typedef vector<double> vdb;
typedef pair<double, double> dd;
typedef set<int> si;
typedef set<long long> sll;
#define fi first
#define se second
#define matrix(a) vector< vector<a> >
#define sz(a) int((a).size()) 
#define lop(i,a,b) for (int i=a; i<=b; i++)
#define rlop(i,a,b) for (int i=b; i>=a; i--)
#define all(s) (s).begin(),(s).end()
#define pb push_back
#define enter cout<<'\n'
#define lb(i,v) int(lower_bound(all(v),i)-v.begin())
#define ub(i,v) int(upper_bound(all(v),i)-v.begin())

int profit(int b, int s, int c) {
    return s+b-c;
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int b;
        int s;
        int c;
        cin >> b >> s >> c;
        int result = profit(b, s, c);
        cout << result << endl;
    }
    return 0;
}