#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int calFixed(int b,int s,int c)
{
    
    return (b+s)-c;
}

int main() {
   int tc,b,s,c,i;
    cin>>tc;
    for(i=0;i<tc;i++)
    {
        cin>>b>>s>>c;
        cout<<calFixed(b,s,c)<<"\n";
        
    }
    return 0;
}