#include <iostream>
#include <stdio.h>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <string>
#include <cstring>
#include <math.h>
#include <stdlib.h>
#include <cctype>
using namespace std;

typedef long long ll;
typedef vector <int> vi;
typedef vector <char> vc;

#define pi pair< int , int >
#define PI acos(-1)
#define REP(i,a,b) for(int i=a;i<=b;i++)
#define RE(i,a,b) for(int i=a;i<b;i++)
#define In(a,n,val) for (int i=0;i<n;i++)a[i]=val;
#define PrtArr(a,n) for (int i=0;i<n;i++){cout << a[i] << " ";}cout << endl
#define IN(x,a,b) x >= a && x <= b
#define INO(x,a,b) x > a && x < b
#define MP(x,y) make_pair(x,y)
#define fr first
#define sc second
#define pb push_back
#define sz(x) sizeof(x)
#define MAX (int)2e4+1
#define OO 1e9 + 10

///////////////
///////////////
int profit(int a, int b, int c)
{
    return a+b - c;
}
int main()
{

    int n,a,b,c;
    cin >> n;
    while (n--)
    {
        cin >> a >> b >> c;
        printf("%d\n",profit(a,b,c));
    }
    return 0;

}