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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3600*40a%-12.8a%*2560 ≤644 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3600 * 40 * a % - 12.8 * a % * 2560 ≤644         (1)

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    From inequality(1)：
         a ≤ 0.57897

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    The final solution set is :
         a ≤ 0.57897

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