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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality abs(0.466*300.4-29/30x-2250/12/x) ≤0.6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         abs ( 0.466 * 300.4 - 29 / 30 * x - 2250 / 12 / x ) ≤0.6         (1)
        From the definition field of divisor
        x ≠ 0        (2 )

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    From inequality(1)：
         142.834857 ≤ x ≤ 144.088047
    From inequality(2)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         142.834857 ≤ x ≤ 144.088047    (3)

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    The final solution set is :
         142.834857 ≤ x ≤ 144.088047

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