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

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

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