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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 10＾12+16*1000000*r*r ≥0.81*(100000+16*r*r)*(100000+16*r*r) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        10 ^ 12 + 16 * 1000000 * r * r ≥0.81 * ( 100000 + 16 * r * r ) * ( 100000 + 16 * r * r )         (1)

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    From inequality(1)：
         -329.660821 ≤ r ≤ 329.660821

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    The final solution set is :
         -329.660821 ≤ r ≤ 329.660821

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