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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality log(lnx,lgx) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         log( ln x , lg x ) >0         (1)
        From the definition field of ln
        x > 0        (2 )
        From the definition field of lg
        x > 0        (3 )
        From the definition field of log
         ln x > 0        (4 )
         lg x > 0 also ≠ 1        (5 )

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    From inequality(1)：
         1 < x < 2.718282 或  x ＞ 10
    From inequality(2)：
         x ＞ 0
    From inequality(3)：
         x ＞ 0
    From inequality(4)：
         x ＞ 1
    From inequality(5)：
         1 < x < 10 或  x ＞ 10

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    From inequalities (1) and (2)
         1 < x < 2.718282 或  x ＞ 10    (6)
    From inequalities (3) and (6)
         1 < x < 2.718282 或  x ＞ 10    (7)
    From inequalities (4) and (7)
         1 < x < 2.718282 或  x ＞ 10    (8)
    From inequalities (5) and (8)
         1 < x < 2.718282 或  x ＞ 10    (9)

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    The final solution set is :
         1 < x < 2.718282 或  x ＞ 10

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