蓝剑盛世豪庭二期:(1+1/2)(1-1/2)(1+1/3)(1-1/3)(1+1/4)(1-1/4)---(1+1/2004)(1-1/2004)
来源:百度文库 编辑:高校问答 时间:2024/10/05 00:20:42
(1+1/2)(1-1/2)(1+1/3)(1-1/3)(1+1/4)(1-1/4)……(1+1/2004)(1-1/2004)
=(1+1/2)(1+1/3)(1+1/4)……(1+1/2004)*(1-1/2)(1-1/3)(1-1/4)……(1-1/2004)
=(3/2)(4/3)(5/4)……(2005/2004)*(1/2)(2/3)(3/4)……(2003/2004)
=(2005/2)*(1/2004)
=2005/4008
(1/2005-1)(1/2004-1)........(1/3-1)(1/2-1)
1+1/1+2/=??
1+1/(1+2)+1/(1+2+3)+...+1/(1+2+3+...+100)
1+1/1+2+1/1+2+3+......+1/1+2+3+......+10
1/1+1/2+1/3+1/4+。。。。+1/N 是多少
(1-1/2^2)(1-1/3^2)....(1-1/10^2)
(1-1/2^2)(1-1/3^2)....(1-1/10^2)
s=1/1+1/1!+1/2!+1/3!+1/4!+....+1/25!
(1-1/2)*(1+1/2)*(1-1/3)*(1+1/3)*……*(1-1/99)*(1+1/99)。
(1+1/2)*(1-1/2)(1+1/3)*(1-1/3)*.......(1+1/99))*(1-1/99)怎么做