1 1/2 1/8 1/64
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11/21/81/6411/21/81/6411/21/81/64ok了~一除以根号二的n(n-1)次方,
1 1/2 1/8 1/64
1 1/2 1/8 1/64
1 1/2 1/8 1/64
ok了~
一除以根号二的n(n-1)次方,
1 1/2 1/8 1/64
1+1/2+1/4+1/8+...1/64=?
1,1/8,1/27,1/64,( ),( )
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
1/2-1/4-1/8-16/1-32/1-64/1-128/1-256/1
1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
1/2+1/4+1/8+1/16+1/32+1/64+1/128+.+1/1024
1-2/1-4/1-8/1-16/1-32/1-64/1-128/1
1/2-1/4-1/-1/8-1/16-1/32-1/64----------1/1024
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
1,8,27,64,( ),( )
(2+1)({2}^{2}+1)({2}^{4}+1)({2}^{8}+1).({2}^{64}+1)+1
(1-1/2-1/4-1/8-1/16-1/32-1/64)除以1/64注意简算
简便计算1/2+1/4+1/8+1/16+1/32+1/64+1/128
1-1/2-1/4-1/8-1/16-1/32-1/64
简算:1/2+1/4+1/8+1/16+1/32+1/64+1/128
1/2+1/4+1/8+1/16+1/32+1/64+1/128
计算:1/2+1/4+1/8+1/16+1/64+1/128+1/256