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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 2.5-0.25k >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2.5 - 0.25 * k >0         (1)

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    From inequality(1)：
         k < 10

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    The final solution set is :
         k < 10
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 2.5-1.25k-0.125k^2 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2.5 - 1.25 * k - 0.125 * k ^ 2 >0         (1)

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    From inequality(1)：
         -11.708204 < k < 1.708204

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    The final solution set is :
         -11.708204 < k < 1.708204

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