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


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