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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 6250000a^2-4247775a-10000 >= 0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        6250000 * a ^ 2 - 4247775 * a - 10000 >= 0         (1)

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    From inequality(1)：
         a ≤ -0.002346 或  a ≥ 0.68199

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    The final solution set is :
         a ≤ -0.002346 或  a ≥ 0.68199

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