#include<bits/stdc++.h>
#define pb push_back
#define po pop_back
#define all(v) (v.begin(),v.end())
#define ll long long
#define ull unsigned long long
#define w(n) while(n--)
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,a,b) for(int i=a;i<b;i++)
#define mod 1000000007;
using namespace std;
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int tc;
	cin>>tc;
	w(tc)
	{
		int a,b,c;
     cin>>a>>b>>c;
     cout<<(a+b-c)<<"\n";
	}

  return 0;
}