Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 4/X+（22-X）小于等于10 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        4 / X + ( 22 - X ) ≤10         (1)
        From the definition field of divisor
        x ≠ 0        (2 )

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    From inequality(1)：
         -0.324555 ≤ X ≤ 0 或  X ≥ 12.324555
    From inequality(2)：
         X < 0 或  X ＞ 0

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    From inequalities (1) and (2)
         -0.324555 ≤ X < 0 或  X ≥ 12.324555    (3)

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    The final solution set is :
         -0.324555 ≤ X < 0 或  X ≥ 12.324555
[ 2/2Inequality]
    Assignment:Find the solution set of inequality X小于等于22 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         X ≤22         (1)

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    From inequality(1)：
         X ≤ 22

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    The final solution set is :
         X ≤ 22

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