#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 a;
    cin>>a;
    while(a--)
    {
        int b,c,d;
        cin>>b>>c>>d;
        cout<<b+c-d<<endl;
    }
    return 0;
}