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

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

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    From inequality(1)：
         -10.91608 ≤ a ≤ 0 或  a ≥ 0.91608
    From inequality(2)：
         a < 0 或  a ＞ 0

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    From inequalities (1) and (2)
         -10.91608 ≤ a < 0 或  a ≥ 0.91608    (3)

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    The final solution set is :
         -10.91608 ≤ a < 0 或  a ≥ 0.91608

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