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


int main()
{
    int t;cin>>t;
    int a,b,c;
    while(t--)
    {
        cin>>a>>b>>c;
        cout<<(a+b)-c<<"\n";
    }
    return 0;
}