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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (3+a)/(54+a) >0.25 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 3 + a ) / ( 54 + a ) >0.25         (1)
        From the definition field of divisor
         54 + x ≠ 0        (2 )

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    From inequality(1)：
         a < -54 或  a ＞ 14
    From inequality(2)：
         a < -54 或  a ＞ -54

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    From inequalities (1) and (2)
         a < -54 或  a ＞ 14    (3)

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    The final solution set is :
         a < -54 或  a ＞ 14

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