肉桂粉和吴茱萸敷肚脐:1/(2*2)+1/(3*3)
来源:百度文库 编辑:高校问答 时间:2024/05/13 16:40:17
13
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36
13
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36
1/4+1/9=13/36
13/36
31/108 或 27/5
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
3/2=2+1/1*2=1/1+1/2
(1-1/2^2)(1-1/3^2)....(1-1/10^2)
(1-1/2^2)(1-1/3^2)....(1-1/10^2)
(1/2005-1)(1/2004-1)........(1/3-1)(1/2-1)
1/1*2+1/2*3+1/3*4+...+1/2000*2001
1/(1*2)+1/(2*3)+1/(3*4)+..+1/(99*100)
1/1+1/2+1/3+1/4+。。。。+1/N 是多少
1/2,3/2,1/5,-1/8,-2/13,(?)