在出版的背面请包围读者服务上的适当数字卡片。
Please circle the appropriate number on the Reader Service Card at the back of the publication.
你们喜欢这首歌吗，在我们生活中，数字很有用。这儿有一些数字你能读吗？(出示数字卡片)？
Do you like this song? I like this number song. In our life, the number is very useful. Look! Here are some Numbers. Can you read them?
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