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


int main() {
    int T;
    cin>>T;
    while(T--){
        int a,b,c;
        cin>>a>>b>>c;
        int diff;
        diff=(a+b)-c;
        cout<<diff<<endl;
    }
    return 0;
}