#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
  int t;
  int u,b,s,c;
  cin>>t;
  while(t--)
  {
    cin>>b>>s>>c;
    u=b+s-c;
    cout<<u<<endl;
  }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}