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

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

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    From inequality(1)：
         b < 0
    From inequality(2)：
         b ＞ -2

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    From inequalities (1) and (2)
         -2 < b < 0     (3)

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    The final solution set is :
         -2 < b < 0

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