import java.util.Scanner;

public class Solution {
    public static  void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x, y, z,t;
        int p = 0;
        t = sc.nextInt();
        while(t-->0){
            x=sc.nextInt();
            y=sc.nextInt();
            z=sc.nextInt();
             p=(x+y-z);
            System.out.println(p);
        }

    }
}