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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (（（8:7）*（1-x））^(1-x))*(40x)^x >(7^(1-x))*30^x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( ( ( 8 : 7 ) * ( 1 - x ) ) ^ ( 1 - x ) ) * ( 40 * x ) ^ x > ( 7 ^ ( 1 - x ) ) * 30 ^ x         (1)

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    From inequality(1)：
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!

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    The final solution set is :
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!

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