#include <iostream>
#include <cmath>
using namespace std;
int n,i,bur[101],soda[101],combo[101];
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>bur[i]>>soda[i]>>combo[i];
    }
    for(i=1;i<=n;i++)
    {
        cout<<abs(bur[i]+soda[i]-combo[i])<<endl;
    }
    return 0;
}