#include<bits/stdc++.h>
#define ll int long long
#define pb push_back
#define mp make_pair

using namespace std;
int main()
{
ll t;
cin>>t;
while(t--)
{
	int b,s,c;
	cin>>b>>s>>c;
	cout<<(b+s)-c<<endl;
}


return 0;
}