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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (300+h)^2-(300+0.6)^2 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 300 + h ) ^ 2 - ( 300 + 0.6 ) ^ 2 <0         (1)

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    From inequality(1)：
         h < 3/5

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    The final solution set is :
         h < 3/5

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