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


int main() {
    int t;
    cin>>t;
    while(t--){
        int c1,c2,c3;
        cin>>c1>>c2>>c3;
        cout<<((c1+c2)-c3)<<endl;
    }
    return 0;
}