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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 30.456*n*n*n/6+801.498*n*n/6-642.7988*n-6261.392344 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        30.456 * n * n * n / 6 + 801.498 * n * n / 6 - 642.7988 * n - 6261.392344 >0         (1)

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    From inequality(1)：
         -29.206368 < n < -5.212635 或  n ＞ 8.102415

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    The final solution set is :
         -29.206368 < n < -5.212635 或  n ＞ 8.102415

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