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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int t;
    cin >> t;
    for(int i = 0; i < t; ++i) {
      int b, s, c;
      cin >> b >> s >> c;
      cout << b + s - c << '\n';
    }
    return 0;
}