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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -250000+49000*1.05^T-1/1.15^T >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -250000 + 49000 * 1.05 ^ T - 1 / 1.15 ^ T >0         (1)

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    From inequality(1)：
         T < -197.700609 或  T ＞ 33.401008

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    The final solution set is :
         T < -197.700609 或  T ＞ 33.401008

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