#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define  pb push_back
#define  pob pop_back
#define fn(i,x) for(long long i=0;i<x;i++)
#define fs(i,s,x) for(long long i=s;i<x;i++)
#define fr(i,x) for(long long i=x;i>=0;i--)
#define mp make_pair
#define W while
#define mod 1000000007
using namespace std;
int main()
{
	

	ll t;
	cin>>t;
	
    W(t--)
    {

      ll x,y,z;
      cin>>x>>y>>z;
      cout<<x+y-z<<"\n";
    }

    return 0;

}