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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 250000*0.3^x <1-0.3^(x+1) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        250000 * 0.3 ^ x <1 - 0.3 ^ ( x + 1 )         (1)

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    From inequality(1)：
         x ＞ 10.323503

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    The final solution set is :
         x ＞ 10.323503

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