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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1+16*x/(x+2000)+0.8+4 >= (1+16*x/(x+2000)+0.15+4)*(1+(0.3-0.1)/2) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 + 16 * x / ( x + 2000 ) + 0.8 + 4 >= ( 1 + 16 * x / ( x + 2000 ) + 0.15 + 4 ) * ( 1 + ( 0.3 - 0.1 ) / 2 )         (1)
        From the definition field of divisor
         x + 2000 ≠ 0        (2 )
        From the definition field of divisor
         x + 2000 ≠ 0        (3 )

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    From inequality(1)：
         x ≥ 0
    From inequality(2)：
         x < -2000 或  x ＞ -2000
    From inequality(3)：
         x < -2000 或  x ＞ -2000

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    From inequalities (1) and (2)
         x ≥ 0    (4)
    From inequalities (3) and (4)
         x ≥ 0    (5)

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    The final solution set is :
         x ≥ 0

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