#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 */   
    long long s,b,c,t;
    cin>>t;
    while(t--)
    {
    cin>>s>>b>>c;
    cout<<(s+b-c)<<endl;
    }return 0;
}