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一、案例描述1.在情境中感知排列师:请大家猜猜图中这个人的年龄(少女、老妇皆可),已知她的年龄是由1和8组成的两位数。生1:我猜她应该是18岁。师:你怎么猜的?生1:因为她是个大姐姐,应该是18岁,不可能是81岁。师:有不同的看法吗?生2:我猜她是81岁。师:你怎么猜得跟她完全不一样?
First, the case description 1 perceived in the situation arrange division: Please guess the figure of this person’s age (girls, women can be), known her age is composed of two digits 1 and 8. Student 1: I guess she should be 18 years old. Teacher: How do you guess? Health 1: Because she is a big sister, it should be 18 years old, can not be 81 years old. Teacher: Have different views? Health 2: I guess she is 81 years old. Teacher: How do you guess totally different from her?