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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0 <(x+3)(x-2)(x-1) <1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        0 < ( x + 3 ) * ( x - 2 ) * ( x - 1 )         (1)
         ( x + 3 ) * ( x - 2 ) * ( x - 1 ) <1         (2)

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    From inequality(1)：
         -3 < x < 1 或  x ＞ 2
    From inequality(2)：
         x < -2.948828 或  0.782816 < x < 2.166013

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    From inequalities (1) and (2)
         -3 < x < -2.948828 或  0.782816 < x < 1 或  2 < x < 2.166013     (3)

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    The final solution set is :
         -3 < x < -2.948828 或  0.782816 < x < 1 或  2 < x < 2.166013

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