#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
    ll t,n,mx=1,c,s=0,m,k;
    cin>>t;
    while(t--)
    {
        cin>>n>>m>>k;
        s=(n+m-k);
        cout<<s<<endl;
    }
    return 0;
}