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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （2×（7.3+t）+0.8×10.5）×(8.7t+156.48)/(18.8+t) ≥1.6×10.5×10 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 × ( 7.3 + t ) + 0.8 × 10.5 ) × ( 8.7 * t + 156.48 ) / ( 18.8 + t ) ≥1.6 × 10.5 × 10         (1)
        From the definition field of divisor
         18.8 + x ≠ 0        (2 )

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    From inequality(1)：
         -18.8 ≤ t ≤ -18.459131 或  t ≥ -1.371903
    From inequality(2)：
         t < -94/5 或  t ＞ -94/5

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    From inequalities (1) and (2)
         -94/5 < t ≤ -18.459131 或  t ≥ -1.371903    (3)

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    The final solution set is :
         -94/5 < t ≤ -18.459131 或  t ≥ -1.371903

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