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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 780*1.5-1.5*300 <（390-300+175）*x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        780 * 1.5 - 1.5 * 300 < ( 390 - 300 + 175 ) * x         (1)

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    From inequality(1)：
         x ＞ 2.716981

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    The final solution set is :
         x ＞ 2.716981

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