/* Read input from STDIN. Print your output to STDOUT*/

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
import java.io.*;
import java.math.*;
import java.util.StringTokenizer;
class burgerKing {   
    static long mod = (long)10e9+7;
    static long arr[] = new long[100005];
    public static void main(String args[] ) throws Exception {
        FastReader scan=new FastReader();
        PrintStream p = System.out;
        
        int t = scan.nextInt();
        char arr[] =  {'c','e','f','h'};
        while(t-->0){
            boolean b1 = false;
            int pan = scan.nextInt();
            int bur = scan.nextInt();
            int pro = scan.nextInt();
            
        
            p.println((pan+bur)-pro);
        
        }
        
    }
    static class FastReader{
        BufferedReader br;
        StringTokenizer st;
        public FastReader(){
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next(){
            while (st == null || !st.hasMoreElements()){
                try{
                    st = new StringTokenizer(br.readLine());
                }
                catch (IOException  e){
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt(){
            return Integer.parseInt(next());
        }

        long nextLong(){
            return Long.parseLong(next());
        }

        double nextDouble(){
            return Double.parseDouble(next());
        }

        String nextLine(){
            String str = "";
            try{
                str = br.readLine();
            }
            catch (IOException e){
                e.printStackTrace();
            }
            return str;
        }
    }
}