Предмет: Математика, автор: ArtemZydin

Помогите решить (4) .....

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Автор ответа: ulugbeksadullaev09
0

Ответ:

81/13:(-9)=-9/13=-0,69230886@\9/13///

Пошаговое объяснение:

Автор ответа: RenSolo
1

\displaystyle \frac{81}{13} : (-\frac{9}{1}) = \frac{81}{13}*(-\frac{1}{9}) = \frac{9}{13}*(-\frac{1}{1}) = -\frac{9}{13}

Ответ: \displaystyle-\frac{9}{13}.

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