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

int profit(int b,int s ,int c)
{
    return b+s-c;
}

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