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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (0.6+2t+0.8*8.6)*(7.9t+91.85)/(10.9+t)/86 >= 1.6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 0.6 + 2 * t + 0.8 * 8.6 ) * ( 7.9 * t + 91.85 ) / ( 10.9 + t ) / 86 >= 1.6         (1)
        From the definition field of divisor
         10.9 + x ≠ 0        (2 )

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    From inequality(1)：
         -11.236103 ≤ t ≤ -10.9 或  t ≥ 4.578381
    From inequality(2)：
         t < -109/10 或  t ＞ -109/10

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    From inequalities (1) and (2)
         -11.236103 ≤ t < -109/10 或  t ≥ 4.578381    (3)

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    The final solution set is :
         -11.236103 ≤ t < -109/10 或  t ≥ 4.578381

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