厥菜吃了有好处吗:(1+1/2)(1+1/2 2次)(1+1/2 4次)(1+1/2 8次)+1/2 15次
来源:百度文库 编辑:高考问答 时间:2024/05/15 11:12:01
乘法公式
原式=(1-1/2)(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)/(1-1/2)+1/2^15
=(1-1/2^2)(1+1/2^2)(1+1/2^4)(1+1/2^8)/(1-1/2)+1/2^15
=(1-1/2^4)(1+1/2^4)(1+1/2^8)/(1-1/2)+1/2^15
=(1-1/2^8)(1+1/2^8)/(1-1/2)+1/2^15
=(1-1/2^16)/(1-1/2)+1/2^15
=2-1/2^15+1/2^15
=2
(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