Предмет: Математика, автор: Anyname

Номер 526.Помогите решить, пожалуйста!

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Автор ответа: a1aa1aaa1aaa1aa1a

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надеюсь на фотографии всё понятно

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Автор ответа: Anyname

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Спасибо огромное!

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