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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 13+lg1.73+90lgx+10lg(1-x) ≥0.95 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        13 + lg 1.73 + 90 * lg x + 10 * lg ( 1 - x ) ≥0.95         (1)
        From the definition field of lg
        x > 0        (2 )
        From the definition field of lg
         1 - x > 0        (3 )

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    From inequality(1)：
        The solution set is empty, that is, within the range of real numbers, the inequality will never be established!
    From inequality(2)：
         x ＞ 0
    From inequality(3)：
         x < 1

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    The final solution set is :
        The solution set is empty,that is, the inequality will never be estatlished within the real number range.

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