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

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

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    From inequality(1)：
         x ＞ 4/5
    From inequality(2)：
         x < 6/5

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    From inequalities (1) and (2)
         4/5 < x < 6/5     (3)

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    The final solution set is :
         4/5 < x < 6/5

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