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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        1 < x ^ 3 / 3 + 3 * x ^ 2 / 2 + x / 6         (1)
         x ^ 3 / 3 + 3 * x ^ 2 / 2 + x / 6 <4         (2)

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    From inequality(1)：
         -4.212214 < x < -1 或  x ＞ 0.712214
    From inequality(2)：
         x < -3 或  -2.886001 < x < 1.386001

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    From inequalities (1) and (2)
         -4.212214 < x < -3 或  -2.886001 < x < -1 或  0.712214 < x < 1.386001     (3)

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    The final solution set is :
         -4.212214 < x < -3 或  -2.886001 < x < -1 或  0.712214 < x < 1.386001

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