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Автор - helpplzz52

Помогите плз!!!!!! ​

Ответ

Автор - ElbortGames

Ответ:

-34,5x²b¹⁵z - 60,45m⁸n²

Объяснение:

6,9xb¹⁴ × (-5) xbz - 4,65mn × 13m⁷n

6,9x²b¹⁴ × ((-5) bz) - 4,65mn × (13m⁷n)

6,9x²b¹⁵ × ((-5) z) - 4,65mn × (13m⁷n)

-34,5x²b¹⁵z - 4,65mn × (13m⁷n)

-34,5x²b¹⁵z - 4,65m⁸n × (13n)

-34,5x²b¹⁵z - 4,65m⁸n² × 13

Ответ: -34,5x²b¹⁵z - 60,45m⁸n²  (вариант 4)

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