Преобразования алгебраических выражений. Урок 3
Упрости выражение:
(5x2 – 3) – (7x + 1) – (3x2 – 2x – 2).
Верных ответов: 3
2x2 – 5x – 2
2x2 – 9x – 6
2x2 – 2 – 5x
2x2 – 6 – 9x
–6 при x = 0
–2 при x = 0
2x2 – 2 – 9x
2x2 – 9x – 2

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