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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (1/(0.5a-0.001))+(1/(0.5a-0.02)) ≤18.18 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 / ( 0.5 * a - 0.001 ) ) + ( 1 / ( 0.5 * a - 0.02 ) ) ≤18.18         (1)
        From the definition field of divisor
         0.5 * x - 0.001 ≠ 0        (2 )
        From the definition field of divisor
         0.5 * x - 0.02 ≠ 0        (3 )

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    From inequality(1)：
         a ≤ 0.002 或  a ≥ 0.242651
    From inequality(2)：
         a < 1/500 或  a ＞ 1/500
    From inequality(3)：
         a < 1/25 或  a ＞ 1/25

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    From inequalities (1) and (2)
         a < 1/500 或  a ≥ 0.242651    (4)
    From inequalities (3) and (4)
         a < 1/500 或  a ≥ 0.242651    (5)

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    The final solution set is :
         a < 1/500 或  a ≥ 0.242651

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