Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -1.5 <-1-x <1.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -1.5 < -1 - x         (1)
         -1 - x <1.5         (2)

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    From inequality(1)：
         x < 1/2
    From inequality(2)：
         x ＞ -5/2

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    From inequalities (1) and (2)
         -5/2 < x < 1/2     (3)

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    The final solution set is :
         -5/2 < x < 1/2

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