Предмет: Математика, автор: Maryanayan

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Автор ответа: Iife20

Ответ:

Пошаговое объяснение:

$\sqrt[3]{81} \times \sqrt[3]{9} \times \sqrt{121} = \\ = \sqrt[3]{9 {}^{2} } \times \sqrt[3]{9} \times \sqrt{11 {}^{2} } = \\ = \sqrt[3]{9 {}^{2} \times 9 } \times 11 = \sqrt[3]{9 {}^{3} } \times 11 = \\ = 9 \times 11 = 99$

Maryanayan: Спасибо

Iife20: Рада, что помогла)

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