Предмет: Математика, автор: Аноним

Помогите срочно пожалуйста осталось 2 минуты

Приложения:

Ответы

Автор ответа: nekto5677

0

Ответ:

х/81=2/9

х=18

Пошаговое объяснение:

х/81=2/9 упростим путем перекрестного умножения

9х=162

х=162:9

х=18

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