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设计理念这是一节名副其实的“生活中的数学”的数学课,本节课通过学生熟悉的生活问题创设情境,激发学生的求知欲;借助两个可以自由转动的转盘游戏,提出问题:游戏是否公平?让学
Design Concept This is a veritable “mathematics in life” math class, this lesson through the students familiar with the problem of life to create situations to stimulate students' curiosity; with two free-wheeling turntable games to ask questions Is the game fair?