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45°角是初中数学教学中最常见的特殊角之一.在日常教学中,教师应做有心人,关注含特殊角的综合题,并研究、总结其解法,帮助学生寻找解题突破口,掌握正确的解题方法和途径.其目的不仅是为了解决这几道试题,而是要通过教师的引领,培养学生的意识,教会学生方法,让学生自己去探索、研究、积累、创新,从而提高学生的综合解题能力,练就以不变应万变,使他们在升学考试中立于不败之地.
The 45 ° angle is one of the most common special corners in junior high school mathematics teaching.During the daily teaching, teachers should do their best to pay attention to comprehensive questions with special angle, and study and summarize their solutions to help students find a breakthrough in solving problems and master the correct The purpose of which is not only to solve these questions, but to improve the students’ awareness through the guidance of teachers, to teach students how to explore, research, accumulate and innovate on their own The comprehensive problem-solving skills, training should be the same should be changed, so that they take the entrance examination in an invincible position.