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


int main() {
  long int n;
    cin>>n;
    for(long int i=0;i<n;i++)
    {
        long int a,b,c;
        cin>>a>>b>>c;
        long int x=c-b;
        cout<<a-x<<endl;
    }
    return 0;
}