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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (X-1300-200-(X-1300)*20%)/(X-200） >30% .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( X - 1300 - 200 - ( X - 1300 ) * 20 % ) / ( X - 200 ) >30 %         (1)
        From the definition field of divisor
         x - 200 ≠ 0        (2 )

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    From inequality(1)：
         X < 200
    From inequality(2)：
         X < 200 或  X ＞ 200

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    From inequalities (1) and (2)
         X < 200 或  200 < X < 200     (3)

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    The final solution set is :
         X < 200 或  200 < X < 200

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