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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 20000/(x+115*0.3) <100 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20000 / ( x + 115 * 0.3 ) <100         (1)
        From the definition field of divisor
         x + 115 * 0.3 ≠ 0        (2 )

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    From inequality(1)：
         x < -34.5 或  x ＞ 331/2
    From inequality(2)：
         x < -69/2 或  x ＞ -69/2

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    From inequalities (1) and (2)
         x < -34.5 或  x ＞ 331/2    (3)

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    The final solution set is :
         x < -34.5 或  x ＞ 331/2

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