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