#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pb push_back
#define pll pair<long long,long long>
#define enddl "\n";
#define file freopen("inp.txt","r",stdin)
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define mod 1000000007
using namespace std;
int main()
{
    //file;
    //speed;
    ll t,b,s,c,ans;
    cin>>t;
    while(t--)
    {
        cin>>b>>s>>c;

        ll ans= (b+s)-c;
        cout<<ans<<endl;
    }







}