using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static int profit(int b, int s, int c) {
        // Return the fixed profit.
            return (b+s)-c;
                
    }

    static void Main(String[] args) {
        int t = Convert.ToInt32(Console.ReadLine());
        for(int a0 = 0; a0 < t; a0++){
            string[] tokens_b = Console.ReadLine().Split(' ');
            int b = Convert.ToInt32(tokens_b[0]);
            int s = Convert.ToInt32(tokens_b[1]);
            int c = Convert.ToInt32(tokens_b[2]);
            int result = profit(b, s, c);
            Console.WriteLine(result);
        }
    }
}