#include <iostream>
#include <fstream>
using namespace std;
ifstream f("date.in");
ofstream g("date.out");
int t,x,y,z;
int main()
{
    cin>>t;
    for(int i=1;i<=t;i++)
    {
        cin>>x>>y>>z;
        cout<<(x+y)-z<<"\n";
    }
    return 0;
}