#include<bits/stdc++.h>
#define lli long long int
#define pb push_back
#define MAX 1e18
#define mod 1000000007
#define SIZE 300010

using namespace std;



int main()
{
   lli T,b,s,c;
   cin>>T;
   while(T--)
   {
   	cin>>b>>s>>c;
   	cout<<(b+s-c)<<endl;
   }
}