#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 t, a, b, c;
    cin>>t;
    
    for (int i=0; i<t; i++){
        cin>>a>>b>>c;
        cout<<a+b-c<<'\n';
    }
    
    
    return 0;
    
}