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


int main() {
    int a,b,c,d,i;
    cin>>a;
    for(i=0;i<a;i++){
        cin>>b>>c>>d;
        cout<<b+c-d<<endl;
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}