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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t,a,c,b,profit[100];
    cin>>t;
    for(int i=0;i<t;i++)
    {
        cin>>a>>b>>c;
        cout<<a+b-c<<"\n";
    }
    return 0;
}