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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2×(4.4+t)+0.8×10.5)×(8.7t+132.99)/(15.9+t) ≥1.6×10.5×10 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 × ( 4.4 + t ) + 0.8 × 10.5 ) × ( 8.7 * t + 132.99 ) / ( 15.9 + t ) ≥1.6 × 10.5 × 10         (1)
        From the definition field of divisor
         15.9 + x ≠ 0        (2 )

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    From inequality(1)：
         -15.9 ≤ t ≤ -15.641152 或  t ≥ 1.410117
    From inequality(2)：
         t < -159/10 或  t ＞ -159/10

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    From inequalities (1) and (2)
         -159/10 < t ≤ -15.641152 或  t ≥ 1.410117    (3)

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    The final solution set is :
         -159/10 < t ≤ -15.641152 或  t ≥ 1.410117

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