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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int cases,b,s,c;
    //int realcostb,realcosts;
    cin>>cases;
    for(int i=0;i<cases;i++)
    {
        cin>>b>>s>>c;
        cout<<(b+s-c)<<"\n";
    }
    return 0;
}