1. A whole number is any positive integer without any fractions or decimals.
一个整数是任何没有分数或小数的正整数。

2. The whole numbers are 1, 2, 3, 4, 5, and so on.
整数是1、2、3、4、5等等。

3. Can you tell me the difference between a whole number and a decimal number?
你能告诉我整数和小数之间的区别吗？

4. In mathematics, whole numbers are often used to represent quantities of items.
在数学中，整数通常用来表示物品的数量。

5. It is important to understand the concept of whole numbers before moving on to more advanced math topics.
在继续学习更高级的数学主题之前，理解整数的概念是很重要的。

6. When dividing two whole numbers, the result may not always be a whole number.
在整数相除时，结果可能并不总是一个整数。