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