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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x ≤x^3一3     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
         x ≤ x ^ 3 - 3         (1)
         x ^ 3 - 3 < x + 1         (2)

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    From inequality(1)：
         x ≥ 1.6717
    From inequality(2)：
         x < 1.796322

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    From inequalities (1) and (2)
         1.6717 ≤ x < 1.796322    (3)

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    The final solution set is :
         1.6717 ≤ x < 1.796322

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