#include<iostream>
using namespace std;
int main()
{
    int t,a,b,c,d;
    cin>>t;
    while(t--)
    {  
        cin>>a>>b>>c;
        
        d=a+b-c;
        cout<<d;
        cout<<"\n";
        
        
        
        
    }
    
    
    return 0;
}