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方程有解问题是高中数学中的一种重要题型,由于它涉及的知识面宽,有一定的综合性,解法灵活,能较好地检测学生的数学思维能力,所以此类问题在历年的高考中时常有它的身影,不过我们不难发现近几年的高考对此类问题的考查形式发生了微妙的变化,试题考查的呈现形式有些隐蔽化,所以不少考生对此类型的问题解决望而生畏.为此笔者认为作为教师应该首先研究高考,引导学生能识破题目的面纱,判断出题目的真实面目原来是方程有解问题,并引导学生
Solving equation is an important problem in high school mathematics. Because of its wide range of knowledge, it has a certain degree of comprehensiveness and flexible solution, which can better detect students’ mathematical thinking ability. Therefore, The college entrance examination often has its shadow, but we can easily find that in recent years the college entrance examination of such problems in the subtle changes in the test form, presentation of test questions some hidden, so many candidates to solve this type of problem Daunting.For this reason, I believe that as a teacher should first study the entrance exam, guide students to understand the veil of the problem, determine the true face of the problem is the original equation problem-solving, and guide students