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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2/(a-0.1)+14 ≤10a/(a-0.2) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 / ( a - 0.1 ) + 14 ≤10 * a / ( a - 0.2 )         (1)
        From the definition field of divisor
         x - 0.1 ≠ 0        (2 )
        From the definition field of divisor
         x - 0.2 ≠ 0        (3 )

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    From inequality(1)：
         -0.079129 ≤ a ≤ 0.1 或  0.2 ≤ a ≤ 0.379129
    From inequality(2)：
         a < 1/10 或  a ＞ 1/10
    From inequality(3)：
         a < 1/5 或  a ＞ 1/5

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    From inequalities (1) and (2)
         -0.079129 ≤ a < 1/10 或  0.2 ≤ a ≤ 0.379129    (4)
    From inequalities (3) and (4)
         -0.079129 ≤ a < 1/10 或  1/5 < a ≤ 0.379129     (5)

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    The final solution set is :
         -0.079129 ≤ a < 1/10 或  1/5 < a ≤ 0.379129

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