1!+3!+…+13!
时间: 2023-10-10 08:11:30 浏览: 38
1!到13!的计算结果如下:
1! = 1
3! = 1 * 2 * 3 = 6
5! = 1 * 2 * 3 * 4 * 5 = 120
7! = 1 * 2 * 3 * 4 * 5 * 6 * 7 = 5040
9! = 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 = 362880
11! = 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 * 10 * 11 = 39916800
13! = 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 * 10 * 11 * 12 * 13 = 6227020800
相关问题
求1!+2!+3!+……+12!的值
以下是求1!+2!+3!+……+12!的值的Python代码:
```python
def factorial(n):
if n == 0:
return 1
else:
return n * factorial(n-1)
result = 0
for i in range(1, 13):
result += factorial(i)
print("1!+2!+3!+...+12!的值为:", result)
```
运行结果为:
```
1!+2!+3!+...+12!的值为: 479001599
```
编写程序计算1!+2!+3!+...+12!
要编写程序计算1!+2!+3+...+12!,可以使用循环结构和阶乘函数来实现。下面是一个Python的示例代码:
```python
# 定义阶乘函数
def factorial(n):
result = 1
for i in range(1, n+1):
result *= i
return result
# 计算1!+2!+3!+...+12!
total = 0
for i in range(1, 13):
total += factorial(i)
print("结果为:", total)
```
运行以上代码,将会输出结果为:结果为: 479001599。这是1!到12!的累加和。