Предмет: Алгебра, автор: MRDarkiRectSwaga

Срочно прошу помогите

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Автор ответа: mini15kinder

0

это формула сокращенного умножения. формула- разность квадратов.

Автор ответа: Ramzan1337666

0

корень из х^2 минус корень из а^2

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