#include<bits/stdc++.h>
#include <cstdio>
#define LL long long

using namespace std;

int main()
{
  //freopen("input.txt","r",stdin);
  LL t;
  cin>>t;
  while(t--){
    LL ans=0;
    LL a,b,c;
    cin>>a>>b>>c;
    ans= a+b -c  ;
    cout<<ans<<endl;
  }
  return 0;
}