#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main()
{
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int n;cin>>n;
    while(n--)
    {
        vector<int>A(3);
        for(int i=0;i<3;i++)
        {
            cin>>A[i];
        }
        int profit= A[0]+A[1]-A[2];
        cout<<profit<<endl;
    }
    return 0;
}