Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3 >-0.25v >-2.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        3 > -0.25 * v         (1)
         -0.25 * v > -2.5         (2)

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    From inequality(1)：
         v ＞ -12
    From inequality(2)：
         v < 10

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    From inequalities (1) and (2)
         -12 < v < 10     (3)

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    The final solution set is :
         -12 < v < 10

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