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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （30/（0.5A-0.06））+(20/(0.5A-0.02)) ≤(35/0.1) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 30 / ( 0.5 * A - 0.06 ) ) + ( 20 / ( 0.5 * A - 0.02 ) ) ≤ ( 35 / 0.1 )         (1)
        From the definition field of divisor
         0.5 * x - 0.06 ≠ 0        (2 )
        From the definition field of divisor
         0.5 * x - 0.02 ≠ 0        (3 )

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    From inequality(1)：
         A ≤ 0.12 或  A ≥ 0.378722
    From inequality(2)：
         A < 3/25 或  A ＞ 3/25
    From inequality(3)：
         A < 1/25 或  A ＞ 1/25

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    From inequalities (1) and (2)
         A < 3/25 或  A ≥ 0.378722    (4)
    From inequalities (3) and (4)
         A < 1/25 或  1/25 < A < 3/25 或  A ≥ 0.378722    (5)

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    The final solution set is :
         A < 1/25 或  1/25 < A < 3/25 或  A ≥ 0.378722

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