#include <bits/stdc++.h>
using namespace std;

#define ll long long int
#define M 1000000007

ll modexpo(ll base,ll expo,ll mod)
{
	ll result = 1;
	while(expo>0)
	{
		if(expo&1)result = (result*base)%mod;
		base = (base*base)%mod;
		expo = expo>>1;
	}
	return result;
}
int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	
	int t;
	cin >> t;
	while(t--)
	{
		
		ll b,s,c;
        cin >> b >> s >> c;
        cout << b+s-c << endl;
		
	}
	
	return 0;
}