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


int main() 
{
 long long int t;
 cin>>t;
 while(t--)
 {
  long long int b,s,c,fp,ans;
  cin>>b>>s>>c;
  fp=b+s;
  ans=abs(c-fp);
  cout<<ans<<endl;   
 }    
    
    return 0;
}