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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1/x <2/（2x+3） .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 / x <2 / ( 2 * x + 3 )         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
        From the definition field of divisor
         2 * x + 3 ≠ 0        (3 )

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    From inequality(1)：
         -1.5 < x < 0
    From inequality(2)：
         x < 0 或  x ＞ 0
    From inequality(3)：
         x < -3/2 或  x ＞ -3/2

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    From inequalities (1) and (2)
         -1.5 < x < 0     (4)
    From inequalities (3) and (4)
         -3/2 < x < 0     (5)

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    The final solution set is :
         -3/2 < x < 0

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