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


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