#include <bits/stdc++.h>
#define ll long long int
#define fast_input cin.tie(NULL); ios_base::sync_with_stdio(false)
#define pb push_back
#define mp make_pair
#define mod 1000000007
using namespace std;

int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 
    ll t;
    cin>>t;
    while(t--)
    {
        ll a,b,c;
        cin>>a>>b>>c;
        cout<<a+b-c<<"\n";
    }
    return 0;
}