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