import Foundation

// Enter your code here 

let numberOfScenarios = Int(readLine()!)!

func profit(burger: Int, soda: Int, combo: Int) -> Int {
    return (burger + soda) - combo
}

for _ in 0..<numberOfScenarios {
    let sellingPrices = readLine()!.components(separatedBy: " ").map {Int($0)!}
    print(profit(burger: sellingPrices[0], soda: sellingPrices[1], combo: sellingPrices[2]))
}