#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
#define lli long long int

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