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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2015-180 <180（n-2） <2015 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        2015 - 180 <180 * ( n - 2 )         (1)
        180 * ( n - 2 ) <2015         (2)

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    From inequality(1)：
         n ＞ 439/36
    From inequality(2)：
         n < 475/36

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    From inequalities (1) and (2)
         439/36 < n < 475/36     (3)

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    The final solution set is :
         439/36 < n < 475/36

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