#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,i,b,s,c,d;
    cin>>n;
    for(i=0;i<n;i++)
    {
     cin>>b>>s>>c;
        
        d=s+b;   
        cout<<d-c<<endl;

        
    }
    
    
    
    return 0;
}