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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3+4 <6x <9^2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        3 + 4 <6 * x         (1)
        6 * x <9 ^ 2         (2)

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    From inequality(1)：
         x ＞ 7/6
    From inequality(2)：
         x < 27/2

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    From inequalities (1) and (2)
         7/6 < x < 27/2     (3)

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    The final solution set is :
         7/6 < x < 27/2

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