1.Укажи все целые числа, удовлетворяющие двойному неравенству. а) -4 < = x < 3
б) -8.7 < = x < = 1
2.Реши двойные неравенства.
а) -2 < =2 - 3x < 5
б) 1<(x+4)/3<7
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