#include<bits/stdc++.h>
#define ll          long long
#define endl        '\n'
#define F           first
#define S           second
#define sz(x)       (ll int)x.size()
#define hell        1000000007
#define rep(i,a,b)  for(ll int i=a;i<b;i++)
#define ios         ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
#define N  100005

int main(){
    ios
    ll t;
    cin>>t;
    while(t--){
        ll a,b,c;
        cin>>a>>b>>c;
        cout<<(a+b-c)<<"\n";
    }
    return 0;
}