Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 3x+1 ≥5x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * x + 1 ≥5 * x         (1)

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    From inequality(1)：
         x ≤ 1/2

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    The final solution set is :
         x ≤ 1/2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality (x－1)/2 ≥－2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x - 1 ) / 2 ≥ -2         (1)

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    From inequality(1)：
         x ≥ -3

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    The final solution set is :
         x ≥ -3

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