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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality −0.2d+0.5 ≤0.18 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -0.2 * d + 0.5 ≤0.18         (1)

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    From inequality(1)：
         d ≥ 8/5

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    The final solution set is :
         d ≥ 8/5

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