Ответы 2
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Ответ:
Объяснение: (а-в)(а+в)= а² - в²
(x-7)(x+7)= х² - 7²=х² - 49
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Автор:
christiankbmm - 1 год назад
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1
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Ответ:
(х-7)(х+7) = х² - 49
(Треба просто х помножити на х, а -7 на 7).
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Автор:
ceferinocgat - 1 год назад
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10
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