#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 test;cin>>test;
    while(test--){
        int b,s,c;
        cin>>b>>s>>c;
        int result=b-(c-s);
        cout<<result<<"\n"; 
    }
    return 0;
}