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


int main() {
    long long int t;
    cin>>t;
    for(int i=0;i<t;i++){
       long long  int a,b,c;
        cin>>a>>b>>c;
       long long int t,ans;
        t = a+b;
        ans = t - c;
        cout<<ans<<endl;
    }
    return 0;
}