#include<bits/stdc++.h>
#define fp for(int i = 0; i < n; i++)
#define fm for(int i = n; i >=0; i--)
typedef long long int ll ;
#define wtm while(t--)

using namespace std ;
#define MOD 1000000007

int main()
{
    ll t ;
    cin>>t ;
    wtm
    {
        ll a,b,c ;
        cin>>a>>b>>c ;
        cout<<b+a-c<<endl ;

    }

}