Предмет: Алгебра, автор: katy34240

Уравнения, пожалуйста, помогите решить. Хоть сколько-нибудь

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Автор ответа: Sas1508991

0

1,2 и 3 в них обе части возводят в квадрат, дальше легко, а вот 4 я чет не помню, ссори

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