#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


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