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