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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (6^x)/(!(x)) >400 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 6 ^ x ) / ( !( x ) ) >400         (1)
        From the definition field of divisor
         !( x ) ≠ 0        (2 )

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    From inequality(1)：
         x ＞ 4.136307
    From inequality(2)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         x ＞ 4.136307    (3)

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    The final solution set is :
         x ＞ 4.136307

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