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gulshat77
@gulshat77
August 2021
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решите пожалуста I9-хI<2
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qwerty91a
1) 9-x<2 2) 9-x>-2
-x<-7 x<11
x>2
значит х принадлежит промежутку (2;11)
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Answers & Comments
-x<-7 x<11
x>2
значит х принадлежит промежутку (2;11)