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


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