Предмет: Алгебра, автор: yfrlkva

решите срочно, пожалуйста, два номера 4, даю 15 баллов

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Автор ответа: Аноним

1

$\sqrt{4 {y}^{2} } = 2y$
У³*2у=2у⁴
$\sqrt{ \frac{16}{ {a}^{2} } } = \frac{4}{a}$
7а* 4/а=7*4=28

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