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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x（80000-（x-3）/0.1×2000） ≥244800 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x * ( 80000 - ( x - 3 ) / 0.1 × 2000 ) ≥244800         (1)

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    From inequality(1)：
         17/5 ≤ x ≤ 18/5

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    The final solution set is :
         17/5 ≤ x ≤ 18/5

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