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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （146400*200000/900000-200000*x)/sqrt(200000*x*(1-x)) >= 1.645 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 146400 * 200000 / 900000 - 200000 * x ) / sqrt ( 200000 * x * ( 1 - x ) ) >= 1.645         (1)
        From the definition field of √
         200000 * x * ( 1 - x ) ≥ 0        (2 )

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    From inequality(1)：
         0 ≤ x ≤ 0.161314
    From inequality(2)：
         0 ≤ x ≤ 1

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    From inequalities (1) and (2)
         0 ≤ x ≤ 0.161314    (3)

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    The final solution set is :
         0 ≤ x ≤ 0.161314

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