#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 */   
    int t,x,y,z;
    cin>>t;
    for(int i=0;i<t;i++)
    {
        cin>>x>>y>>z;
        cout<<(x+y)-z<<endl;
    }
    return 0;
}