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How to divide the house on page 65 of the first-year math textbook of Beijing Normal University?
Divide the house (exercise the second question on page 65 of the textbook)

Teacher: What you said is really good! Next, we came to the door of the wisdom building. There are four small animals living in this building: elephant, kitten, puppy and rabbit, but they often quarrel over who lives where, which can ruin the island owner of Wisdom Island, so he wants to ask our classmates to help him. Would you?

Health: Yes.

Teacher: Now take out your cards and pictures of small animals and stick them on the window according to your own ideas. Each window can only hold one small animal. Now let's get started.

(Student hands-on operation)