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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (25/（0.5a-0.1））+（16/（0.5*0.3-0.01）） ≤350 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 25 / ( 0.5 * a - 0.1 ) ) + ( 16 / ( 0.5 * 0.3 - 0.01 ) ) ≤350         (1)
        From the definition field of divisor
         0.5 * x - 0.1 ≠ 0        (2 )

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    From inequality(1)：
         a ≤ 0.2 或  a ≥ 68/165
    From inequality(2)：
         a < 1/5 或  a ＞ 1/5

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    From inequalities (1) and (2)
         a < 1/5 或  a ≥ 68/165    (3)

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    The final solution set is :
         a < 1/5 或  a ≥ 68/165

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