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集合是中学数学的重要内容,参数范围问题的求解是中学数学的难点所在,两者结合产生的问题,具有抽象程度高、求解灵活性大的特点.在解法上没有固定模式可套,且对解题者的数学技能及创新意识的考查具有独到之处.因而,它成了数学高考复习的难点和竞
Set is an important part of high school mathematics. The solution to the problem of parameter range is the difficulty of middle school mathematics. The combination of the two has the characteristics of high degree of abstraction and great flexibility of solution. There is no fixed pattern in the solution, Solver’s mathematical skills and innovative awareness of the examination has its own uniqueness. Therefore, it became the difficulty and review of mathematics college entrance examination