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根据教材内容创设问题情境使枯燥与抽象的数学知识变得生动、有趣,可以使学生利用原有的知识和经验同化当前要学习的新知识,以此才能提高教学效率。
According to the content of the text to create a problem situation so boring and abstract mathematical knowledge become vivid and interesting, you can make students use the original knowledge and experience to assimilate the current knowledge to learn in order to improve teaching efficiency.