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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x*1000+(1-x)*200000 >2000*x+40000*x*(1-x)+20000*(1-2*x) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x * 1000 + ( 1 - x ) * 200000 >2000 * x + 40000 * x * ( 1 - x ) + 20000 * ( 1 - 2 * x )         (1)

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    From inequality(1)：
         x < 1.166151 或  x ＞ 3.858849

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    The final solution set is :
         x < 1.166151 或  x ＞ 3.858849

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