#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define sc scanf
#define pf printf
#define ll long long int 
#define pii pair<int,int>
#define X first
#define Y second
using namespace std;
int main()
{
	int i,j,k,t,n,m,q,x,y,c;
	cin>>t;
	while(t--)
	{
		int a,b,c;
		cin>>a>>b>>c;
		cout<<a+b-c<<endl;
	}
	return 0;
}