import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;

/**
 * @author avAnkyAnkit last modified @02-Feb-2018 @8:30:07 PM HourRank - TODO
 */

 class q2 {

	public static void main(String[] args) throws Exception {
		int t = sc.nextInt();
		while (t-- > 0)
			solve();
	}

	// **SOLUTION**
	public static void solve() throws Exception {
		// your code goes here
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		System.out.println(a + b - c);
	}

	public static InputStreamReader r = new InputStreamReader(System.in);

	public static BufferedReader br = new BufferedReader(r);

	public static Scanner sc = new Scanner(System.in);

}