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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -a-3 <-1 <-a+2/2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -a - 3 < -1         (1)
         -1 < - a + 2 / 2         (2)

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    From inequality(1)：
         a ＞ -2
    From inequality(2)：
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

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    From inequalities (1) and (2)
         a ＞ -2    (3)

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    The final solution set is :
         a ＞ -2

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