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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 15/（22.5-m） <0.1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        15 / ( 22.5 - m ) <0.1         (1)
        From the definition field of divisor
         22.5 - x ≠ 0        (2 )

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    From inequality(1)：
         m < -255/2 或  m ＞ 22.5
    From inequality(2)：
         m < 45/2 或  m ＞ 45/2

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    From inequalities (1) and (2)
         m < -255/2 或  m ＞ 22.5    (3)

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    The final solution set is :
         m < -255/2 或  m ＞ 22.5

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