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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 2x-6 >1+3-4+5+6+7 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * x - 6 >1 + 3 - 4 + 5 + 6 + 7         (1)

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    From inequality(1)：
         x ＞ 12

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    The final solution set is :
         x ＞ 12
[ 2/2Inequality]
    Assignment:Find the solution set of inequality x^2 <123 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ 2 <123         (1)

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    From inequality(1)：
         -√123 < x < √123

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    The final solution set is :
         -√123 < x < √123

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