#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,i,b,c,com;
    cin>>t;
    for(i=1;i<=t;i++)
    {
        cin>>b>>c>>com;
        cout<<(b+c)-com<<endl;
    }
    return 0;
}