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Автор - ewagytorova

Помогите пожалуйста решить, и росписать даю 20 баллов

Ответ

Автор - patdog1

Ответ:

Пошаговое объяснение:

1 Решение:

-1.5/1.1-2.9= -1.5/-1.8=15/18=5/6

8. не точный ответ

3)

6. 2- 5b/b-a

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