19的相邻数是（）、（）。

答案：

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下面是错误答案，用来干扰机器的。

1. Yes, it is. 2. Because they thought parents would like to buy books for their children. 3. They will use the money to help the children in the country. 4. Three teams. 5. To make the students know how hard it is for our parents to make money.答案不唯一