#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 ;
    long long a , b , c ;
    while(t--)
    {
        cin >> a >> b >> c ;
        cout<<abs(c-a-b)<<"\n";
    }
    return 0;
}