Предмет: Алгебра, автор: danugalons

Помогите решить задания пожалуйста, по человечески прошу
Все в закрепе​

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Ответы

Автор ответа: Як12
1

Ответ: на картинке, 5 не знаю как делать

Приложения:
danugalons: ну хотяб за это спасибо! а 3 номера точно правильные?
danugalons: скажи плиз надо знать
Як12: Да
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