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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 30     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        30 < x + ( 2 + x )         (1)
         x + ( 2 + x ) <33         (2)

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    From inequality(1)：
         x ＞ 14
    From inequality(2)：
         x < 31/2

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    From inequalities (1) and (2)
         14 < x < 31/2     (3)

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    The final solution set is :
         14 < x < 31/2

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