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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2 ≥m^2＋2m ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        2 ≥ m ^ 2 + 2 * m         (1)
         m ^ 2 + 2 * m ≥0         (2)

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    From inequality(1)：
         -2.732051 ≤ m ≤ 0.732051
    From inequality(2)：
         m ≤ -2 或  m ≥ 0

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    From inequalities (1) and (2)
         -2.732051 ≤ m ≤ -2 或  0 ≤ m ≤ 0.732051    (3)

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    The final solution set is :
         -2.732051 ≤ m ≤ -2 或  0 ≤ m ≤ 0.732051

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