Предмет: Геометрия, автор: nikitossmola2

геометрия 8 класс,помогите пожалуйста

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Ответы

Автор ответа: sfbu51zhurahonovspdu

1

Ответ:

22.5

Объяснение:

18/у=4х/5х

у=22.5

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