Question

|6-|5-|9-14||| помогите

Answer 1

Ответ:

$|\, 6-|\underbrace{5-\, |\underbrace{9-14}|\, }|\, |=|\, 6-|\underbrace{5-|-5|\, }|\, |=|\, 6-|\underbrace{5-5}|\, |=|\, 6-0\, |=|\, 6\, |=6$