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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2x+√(1-2x) <-x^2+x+1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * x + √ ( 1 - 2 * x ) < - x ^ 2 + x + 1         (1)
        From the definition field of √
         1 - 2 * x ≥ 0        (2 )

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    From inequality(1)：
         x < -0.809017
    From inequality(2)：
         x ≤ 1/2

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    From inequalities (1) and (2)
         x < -0.809017    (3)

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    The final solution set is :
         x < -0.809017

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