/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner sc=new Scanner(System.in);
		int t,i,b,s,c,p;
		t=sc.nextInt();
		for(i=0;i<t;i++){
			b=sc.nextInt();
			s=sc.nextInt();
			c=sc.nextInt();
			p=profit(b,s,c);
			System.out.println(p);


		}
	}
	static int profit(int b,int s,int c){
		return b+s-c;
	}
}