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


int main() {
    int t,i,j;
    cin>>t;
    int a[3];
    for(i=0;i<t;i++)
    {
        cin>>a[0]>>a[1]>>a[2];
        cout<<a[0]+a[1]-a[2]<<"\n";
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}