#include<bits/stdc++.h>
using namespace std;

int main(int argc, char const *argv[])
{
	int t;
	cin>>t;
	while(t--)
	{
		int b,s,c;
		cin>>b>>s>>c;
		int f;
		cout<<abs(c-(b+s))<<endl;
	}
	return 0;
}