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高三复习离不开解题,怎样选择合适的题型是复习成败的关键.采用题海战术,时间上不允许,对于拓展学生思维,渗透数学思想方法百害而无一利,而巧妙设计问题串,能够达到事倍功半之效.一元二次不等式的解法是整个高中数学的重要内容,是高考考查的重点内容之一,但学生对此方面的知识掌握得并不好.其实,只要掌握问题的实质,不管
High school review can not be separated from the problem, how to choose the right type is the key to review success or failure .Using the sea tactics, time is not allowed for the expansion of student thinking, infiltration of mathematical ideas and methods without any benefit, and clever design of the problem string , Can achieve more effective half effect.The solution of one yuan quadratic inequality is an important part of the entire high school mathematics, is one of the key content of college entrance examination, but students do not have good grasp of knowledge in this regard.In fact, as long as the essence of the problem ,Regardless of