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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3÷（1＋2x）大于x-1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 ÷ ( 1 + 2 * x ) > x - 1         (1)

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    From inequality(1)：
         x < -1.186141 或  -0.5 < x < 1.686141

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    The final solution set is :
         x < -1.186141 或  -0.5 < x < 1.686141

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