Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 180（n-2） >1140 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        180 * ( n - 2 ) >1140         (1)

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    From inequality(1)：
         n ＞ 25/3

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    The final solution set is :
         n ＞ 25/3
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 180（n-2）-180 <1140 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        180 * ( n - 2 ) - 180 <1140         (1)

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    From inequality(1)：
         n < 28/3

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    The final solution set is :
         n < 28/3

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