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МатематикаВопрос:
11. -\(\frac{1}{7}\) \(\cdot\) (-7)^2.
Ответ:
Решение:
Сначала возведем \( -7 \) в квадрат:
\[ (-7)^2 = 49 \]
Теперь умножим:
\[ -\frac{1}{7} \cdot 49 = -\frac{49}{7} = -7 \]
Ответ: -7
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