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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -66.61684×n×n+0.9704×n×n×n+3795.13808-192.89×n ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -66.61684 × n × n + 0.9704 × n × n × n + 3795.13808 - 192.89 × n ≥0         (1)

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    From inequality(1)：
         -8.522301 ≤ n ≤ 6.492825 或  n ≥ 70.678321

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    The final solution set is :
         -8.522301 ≤ n ≤ 6.492825 或  n ≥ 70.678321

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