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