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老师:喂,托玛斯,5加1等于多少?(没回答。)假设我给你五条狗,后来又给你一条,你就有几条狗了?托玛斯:七条。老师:七条?怎么会有七条?托玛斯:因为我家里也有一条。
Teacher: Hey, Thomas, what is the sum of 5 plus 1? (No answer.) Suppose I give you five dogs and later give you one. How many dogs do you have? Thomas: Seven. Teacher: Seven? How can there be seven? Thomas: Because I have a home.