#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,b,s,c;
    int cost;
    cin>>t;
    int profit;
    while(t)
    {
        cin>>b>>s>>c;
        cost = (b+s)-c;
        cout<<cost<<endl;
        t--;
    }
    return 0;
}