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

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

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    From inequality(1)：
         k < 2

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    The final solution set is :
         k < 2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality －k－1 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -k - 1 >0         (1)

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    From inequality(1)：
         k < -1

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    The final solution set is :
         k < -1

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