(1+1/2+1/3+1/4)×
来源:百度知道 编辑:UC知道 时间:2024/05/04 17:49:05
多谢了
(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1/2+1/3+1/4)*(1+1/2+1/3+1/4+1/5)5楼大哥啥意思
(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1/2+1/3+1/4)*(1+1/2+1/3+1/4+1/5)5楼大哥啥意思
(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1/2+1/3+1/4)*(1+1/2+1/3+1/4+1/5)
=1*(1/2+1/3+1/4+1/5)+(1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-1*(1/2+1/3+1/4)-(1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)
=(1/2+1/3+1/4+1/5)-(1/2+1/3+1/4)
=1/5
25/12x
??什么意思????
1+1/2+1/3+1/4+......这个数列没有极限!
一级新生,注意细心出题哦!
你到底想问什么。。。
(1+1/2+1/3+1/4)×
(1-1/2)(1-1/3)(1-1/4)(1-1/5).....(1-1/1000)
1+1/2+1+1/3+1+1/4+......+1/100=?
(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)
(1-1/2^2)*(1-1/3^2)*(1-1/4^2).......(1-1/100^2)
1/1+1/2+1/3+1/4+。。。。+1/N 是多少
1/1+1/2+1/3+1/4+......1/2002=?
1-1/2+1/3-1/4+........1/99-1/100
求和Sn=1+(1+1/2)+(1+1/2+1/4)+....+[1+1/2+1/4.....+1/2^(n-1)]
数列 1+(1+1/2)+(1+1/2+1/4)+..............=?