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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 5k²-18k+5 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 * k ^ 2 - 18 * k + 5 ≤0         (1)

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    From inequality(1)：
         0.303337 ≤ k ≤ 3.296663

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    The final solution set is :
         0.303337 ≤ k ≤ 3.296663

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