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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 2-x ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 - x ≤0         (1)

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    From inequality(1)：
         x ≥ 2

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    The final solution set is :
         x ≥ 2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality x/4 <(x+1)/5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x / 4 < ( x + 1 ) / 5         (1)

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    From inequality(1)：
         x < 4

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    The final solution set is :
         x < 4

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