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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (0.007/(0.5a-0.02))+(0.016/(0.5a-0.01)) ≤0.72727 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 0.007 / ( 0.5 * a - 0.02 ) ) + ( 0.016 / ( 0.5 * a - 0.01 ) ) ≤0.72727         (1)
        From the definition field of divisor
         0.5 * x - 0.02 ≠ 0        (2 )
        From the definition field of divisor
         0.5 * x - 0.01 ≠ 0        (3 )

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    From inequality(1)：
         a ≤ 0.02 或  a ≥ 0.090825
    From inequality(2)：
         a < 1/25 或  a ＞ 1/25
    From inequality(3)：
         a < 1/50 或  a ＞ 1/50

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    From inequalities (1) and (2)
         a ≤ 0.02 或  a ≥ 0.090825    (4)
    From inequalities (3) and (4)
         a < 1/50 或  a ≥ 0.090825    (5)

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    The final solution set is :
         a < 1/50 或  a ≥ 0.090825

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