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


int main() {
  int t;
    cin>>t;
    while(t--)
    {
    int a,b,c,d;
    cin>>a>>b>>c;
       d=abs(c-a-b);
        cout<<d<<"\n";
    }   
        return 0;
}