counting numbers造句怎么写

"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. "

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.