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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (3/5)w <-(3/10） .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 3 / 5 ) * w < - ( 3 / 10 )         (1)

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    From inequality(1)：
         w < 0

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    The final solution set is :
         w < 0

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