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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x×x-0.228x+0.002189 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x × x - 0.228 * x + 0.002189 ≤0         (1)

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    From inequality(1)：
         0.010043 ≤ x ≤ 0.217957

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    The final solution set is :
         0.010043 ≤ x ≤ 0.217957

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