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


int main() {
     int t,k1,k2,k3;
    cin>>t;
    
    while(t--)
    {
        cin>>k1>>k2>>k3;
        cout<<(k1+k2)-k3<<"\n";
    }
    return 0;
}