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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (3-x)/(5+x) <0.8x/(1-0.5x) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 3 - x ) / ( 5 + x ) <0.8 * x / ( 1 - 0.5 * x )         (1)
        From the definition field of divisor
         5 + x ≠ 0        (2 )
        From the definition field of divisor
         1 - 0.5 * x ≠ 0        (3 )

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    From inequality(1)：
         -22.118771 < x < -5 或  0.452105 < x < 2
    From inequality(2)：
         x < -5 或  x ＞ -5
    From inequality(3)：
         x < 2 或  x ＞ 2

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    From inequalities (1) and (2)
         -22.118771 < x < -5 或  0.452105 < x < 2     (4)
    From inequalities (3) and (4)
         -22.118771 < x < -5 或  0.452105 < x < 2     (5)

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    The final solution set is :
         -22.118771 < x < -5 或  0.452105 < x < 2

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