fn read_line(mut s: &mut String)  {
    s.clear();
    std::io::stdin().read_line(&mut s).unwrap();
}

fn read_ints(mut s: &mut String) -> Vec<i32> {
    s.clear();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().split(' ').filter(|s| !s.is_empty()).map(|s| s.parse::<i32>().unwrap()).collect()
}

fn main() {
    let mut input = String::new();
    let mut answers: Vec<i32>;

    read_line(&mut input);
    let n = input.trim().parse::<usize>().unwrap();
    answers = Vec::with_capacity(n);
    for _ in 0..n {
        let prices = read_ints(&mut input);
        answers.push(prices[0] + prices[1] - prices[2]);
    }
    answers.iter().for_each(|n| println!("{}", n));
}