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


int main() {
    int t; cin>>t;
    for (int h=0; h<t; h++){
        int b, s, c;
        cin>>b>>s>>c;
        int p=b+s-c;
        cout<<p<<endl;
    }
    return 0;
}