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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 166*1000000/(1.05*x*1000) <215 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        166 * 1000000 / ( 1.05 * x * 1000 ) <215         (1)
        From the definition field of divisor
         1.05 * x * 1000 ≠ 0        (2 )

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

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    From inequalities (1) and (2)
         x < 0    (3)

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    The final solution set is :
         x < 0

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