#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

template <class T, class IStream>
T read(IStream & is)
{
    T x;
    is >> x;
    return x;
}

int main() 
{
    for(auto t = read<int>(cin); t > 0; -- t)
    {
        auto const b = read<int>(cin);
        auto const s = read<int>(cin);
        auto const c = read<int>(cin);
        
        cout << b + s - c << "\n";
    }
    return 0;
}