#include <iostream>
using namespace std;
 
int main() {
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int b,s,c;
		scanf("%d%d%d",&b,&s,&c);
		int d= b+s-c;
		printf("%d\n",d);
	}
	return 0;
}