#include<cstdio>
#include<vector>
#define ST first
#define ND second
#define MP make_pair
#define FOREACH(it,c) for(auto it=(c).begin();it!=(c).end();++it)
using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
typedef vector<LL> VLL;
typedef vector<int> VI;
typedef vector<char> VC;

int main()
{
    int d,a,b,c;
    scanf("%d",&d);
    while(d--)
    {
        scanf("%d%d%d",&a,&b,&c);
        printf("%d\n",a+b-c);
    }
}