Предмет: Алгебра, автор: sadman123

Ребят, помогите!
Как решить?
Действия или формулы какие нибудь?
А так решение.

Заранее спасибо

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Ответы

Автор ответа: republic1
0
Попробуй в инете забей эту задачу
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