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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 20000/(x+115*0.6) <100 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20000 / ( x + 115 * 0.6 ) <100         (1)
        From the definition field of divisor
         x + 115 * 0.6 ≠ 0        (2 )

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    From inequality(1)：
         x < -69 或  x ＞ 131
    From inequality(2)：
         x < -69 或  x ＞ -69

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    From inequalities (1) and (2)
         x < -69 或  x ＞ 131    (3)

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    The final solution set is :
         x < -69 或  x ＞ 131

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