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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 2x-4 ≤(1+x)/2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * x - 4 ≤ ( 1 + x ) / 2         (1)

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    From inequality(1)：
         x ≤ 3

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

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    From inequality(1)：
         x ≥ 1

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    The final solution set is :
         x ≥ 1

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