#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define sf(z) scanf("%lld",&z)
#define pf(z) printf("%lld\n",z)
int main()
{
	ll t;
	cin>>t;
	while(t--)
	{
		ll a,b,c;
		cin>>a>>b>>c;
		cout<<a+b-c<<"\n";
	}
}