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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0小于2x+1小于1/2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0 <2 * x + 1         (1)
        2 * x + 1 <1 / 2         (2)

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    From inequality(1)：
         x ＞ -1/2
    From inequality(2)：
         x < -1/4

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    From inequalities (1) and (2)
         -1/2 < x < -1/4     (3)

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    The final solution set is :
         -1/2 < x < -1/4

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