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МатематикаВопрос:
37. (-7b) ⋅ (-2b)².
Ответ:
37. (-7b) ⋅ (-2b)² = (-7b) ⋅ 4b² = -7 ⋅ 4 ⋅ b ⋅ b² = -28b³
Ответ: -28b³
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