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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.1×990.432×10^6 ≤18.4×990×x×(580-x/2) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.1 × 990.432 × 10 ^ 6 ≤18.4 × 990 × x × ( 580 - x / 2 )         (1)

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    From inequality(1)：
         x ≥ 114.400807

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    The final solution set is :
         x ≥ 114.400807

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