#include<bits/stdc++.h>
using namespace std;

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

int main() {
    int t;
    cin>>t;
    while(t--)
    {
        int a,b,c;
        cin>>a>>b>>c;
        cout<<profit(a,b,c)<<"\n";
    }
    return 0;
}