static const bool debug=1;

#define FAST std::ios::sync_with_stdio(false);cin.tie(0);
#define FOR(a,b,c) for(int (a)=(b); (a)<(c); ++a)
#define DB(name) if(debug) cout<<"name:"<<#name<<"  value:"<<name<< "\n";
using ll = long long;
#define vi vector<INT>
int INF_int=2147483647;
ll INF_ll=9223372036854775807;
using namespace std;

// Includes
#include <iostream>
#include <vector>

// Structs

// Variables

// Functions

// Main


int main()
{
    FAST;

    int n;
    cin >> n;

    FOR(i,0,n)
    {
        int a,b,c;
        cin >> a >> b >> c;

        cout << -c+b+a << '\n';

    }
}