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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2×(16.4+t)+0.8×10.5)×(9.1t+237.39)/(27.9+t) ≥1.6×10×10.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 × ( 16.4 + t ) + 0.8 × 10.5 ) × ( 9.1 * t + 237.39 ) / ( 27.9 + t ) ≥1.6 × 10 × 10.5         (1)
        From the definition field of divisor
         27.9 + x ≠ 0        (2 )

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    From inequality(1)：
         -27.9 ≤ t ≤ -27.147578 或  t ≥ -10.308466
    From inequality(2)：
         t < -279/10 或  t ＞ -279/10

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    From inequalities (1) and (2)
         -279/10 < t ≤ -27.147578 或  t ≥ -10.308466    (3)

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    The final solution set is :
         -279/10 < t ≤ -27.147578 或  t ≥ -10.308466

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