noun 下载 🔗分享 阶乘 The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 × 2 × 3 × 4 × 5 = 120. Examples : "Calculating the number of possible seating arrangements for eight people requires understanding factorials, as it involves multiplying all the numbers from 1 to 8. " 计算八个人所有可能的座位安排方式需要理解阶乘的概念，因为它涉及到将从1到8的所有数字相乘。 math number 与AI对话词汇游戏阅读练习
