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


int main() {
   int t;
    cin>>t;
    while(t--)
    {
        long int a,b,c,d;
        cin>>a>>b>>c;
        d=abs(c-(a+b));
        cout<<d<<endl;
    }
    return 0;
}