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0<a<1x²-x>2x²-x-2>0x1+x2=1 U x1*x2=-2⇒x1=-1 U x2=2x∈(-∞;-1) U (2;∞)a>1x∈(1;2)
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Автор:
patience - 6 лет назад
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Imagine a job that involves helping 200,000 isolated patients over 7.5 million square miles of The Australian Outback. The job includes treating patients
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