#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int t;cin>>t;int h;
    for(h=0;h<t;h++)
    {
        int b,s,c;cin>>b>>s>>c;
        int ans=b+s-c;
        cout<<ans<<endl;
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}