import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {
    public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int t = scan.nextInt();
		while(t-- > 0) {
			int b = scan.nextInt(), s = scan.nextInt(), c = scan.nextInt();
			System.out.println((b+s)-c);
		}
		scan.close();
    }
}