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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -818.474984+90.1804*n+877.638*n*n/6+30.4512*n*n*n/6 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -818.474984 + 90.1804 * n + 877.638 * n * n / 6 + 30.4512 * n * n * n / 6 >0         (1)

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    From inequality(1)：
         -27.980083 < n < -2.857851 或  n ＞ 2.016804

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    The final solution set is :
         -27.980083 < n < -2.857851 或  n ＞ 2.016804

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