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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x/（5-2x） <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x / ( 5 - 2 * x ) <0         (1)
        From the definition field of divisor
         5 - 2 * x ≠ 0        (2 )

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    From inequality(1)：
         x < 0 或  x ＞ 2.5
    From inequality(2)：
         x < 5/2 或  x ＞ 5/2

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    From inequalities (1) and (2)
         x < 0 或  x ＞ 2.5    (3)

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    The final solution set is :
         x < 0 或  x ＞ 2.5

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