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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.128×n×n×n-40.93868×n×n-699.622-671.86632×n ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.128 × n × n × n - 40.93868 × n × n - 699.622 - 671.86632 × n ≥0         (1)

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    From inequality(1)：
         -11.354251 ≤ n ≤ -1.120121 或  n ≥ 48.767528

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    The final solution set is :
         -11.354251 ≤ n ≤ -1.120121 或  n ≥ 48.767528

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