#include <cmath>
#define ll long long int
#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 */   
    ll t;
    cin>>t;
    while(t--)
    {
        ll a,b,c;
        cin>>a>>b>>c;
        cout<<abs(c-(a+b))<<endl;
    }
    return 0;
}