#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 t;
    cin>>t;
    while(t--)
    {
        int f,l,sec;
        cin>>f>>sec>>l;
        cout<<abs(l-f-sec)<<endl;
    }
    return 0;
}