counting numbers造句怎么写

One of the counting numbers, used to indicate position.

These are not the most important numbers. The real numbers are accrual accounting numbers, and we almost never hear them.

"For any whole number, the product of all the counting numbers up to and including itself. It is indicated with an exclamation point: 4! (read "four factorial") is 1 × 2 × 3 ×4 = 24. "