> 数学 >
Sn=1/1!+1/2!+1/3!+1/4!+……+1/n!+……
n无穷大,
人气:228 ℃ 时间:2020-03-29 19:30:04
解答
e=1/0!+1/1!+1/2!+1/3!+1/4!+……+1/n!+…… 所以1/1!+1/2!+1/3!+1/4!+……+1/n!+……=e-1
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版