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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2*(1.3+x)+0.8*9)*(70.87+7.8*x)/(11.3+x)/90 >1.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * ( 1.3 + x ) + 0.8 * 9 ) * ( 70.87 + 7.8 * x ) / ( 11.3 + x ) / 90 >1.5         (1)
        From the definition field of divisor
         11.3 + x ≠ 0        (2 )

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    From inequality(1)：
         -11.3 < x < -10.436177 或  x ＞ 5.104126
    From inequality(2)：
         x < -113/10 或  x ＞ -113/10

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    From inequalities (1) and (2)
         -11.3 < x < -10.436177 或  x ＞ 5.104126    (3)

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    The final solution set is :
         -11.3 < x < -10.436177 或  x ＞ 5.104126

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