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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x/1.13+x/1.13^2+x/1.13^3+x/1.13^4+x/1.13^5+x/1.13^6+x/1.13^7+x/1.13^8+x/1.13^9 <3700 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x / 1.13 + x / 1.13 ^ 2 + x / 1.13 ^ 3 + x / 1.13 ^ 4 + x / 1.13 ^ 5 + x / 1.13 ^ 6 + x / 1.13 ^ 7 + x / 1.13 ^ 8 + x / 1.13 ^ 9 <3700         (1)

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    From inequality(1)：
         x < 721.014937

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    The final solution set is :
         x < 721.014937

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