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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (4.2+2*t+8)*(8.4*t+86.80)/(12.6+t)/(6.5*10) >1.6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 4.2 + 2 * t + 8 ) * ( 8.4 * t + 86.80 ) / ( 12.6 + t ) / ( 6.5 * 10 ) >1.6         (1)
        From the definition field of divisor
         12.6 + x ≠ 0        (2 )

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    From inequality(1)：
         -12.6 < t < -11.539816 或  t ＞ 1.296959
    From inequality(2)：
         t < -63/5 或  t ＞ -63/5

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    From inequalities (1) and (2)
         -12.6 < t < -11.539816 或  t ＞ 1.296959    (3)

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    The final solution set is :
         -12.6 < t < -11.539816 或  t ＞ 1.296959

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