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Автор - vlad4123

Помогите пожалуйста,заранее спасибо.
х²-4х-1=0
х²-10х+30=0
Плачу 15б.

Ответ

Автор - darynya161
...............................

Ответ

Автор - churikovaanna05
Ты не против фото? А то печатать долго

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