1/2+1/4+1/8+1/16+……+1/128+1/256=?(注:是几分之几加几分之几 别弄成除了 3Q了 )
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1/2+1/4+1/8+1/16+……+1/128+1/256=?(注:是几分之几加几分之几 别弄成除了 3Q了 )
1/2+1/4+1/8+1/16+……+1/128+1/256=?
(注:是几分之几加几分之几 别弄成除了 3Q了 )
1/2+1/4+1/8+1/16+……+1/128+1/256=?(注:是几分之几加几分之几 别弄成除了 3Q了 )
很高兴为您答题,
如果有其他需要帮助的题目,您可以求助我.
=(1-1/512)/(1-1/2)-1
=511/256-1=255/256
1/2+1/4+1/8+1/16+……+1/128+1/256
=1/2+1/4+1/8+1/16+……+1/128+1/256+1/256-1/256
=1/2+1/4+1/8+1/16+……+1/128+1/128-1/256
=1/2+1/4+1/8+1/16+……+1/64-1/256
=......
=1/2+1/4+1/8+1/8-1/256
=1/2+1/4+1/4-1/256
=1/2+1/2-1/256
==255/256
原式=1-1/256=255/256
只要在原式的基础上再加上1/256就行了,因为1/256+1/256=1/128,1/128+1/128=1/64........一直到1/2+1/2=1,所以原来的结果是1-1/256=255/256
2/1+4/1+8/1+16/1+32/1……+1024/1=
1/2+1/4+1/8+1/16+……+1/1024+1/2048=?
1/2+1/4+1/8=1/16+1/32+……+1/1024+2048
1/2+1/4+1/8+1/16+……+1/1024+1/2048=?]
1/2+1/4+1/8+1//16+1/32……1//128
1/2+1/4+1/8+1/16+……+1/2n的值
简便计算:1/2+1/4+1/8+1/16+……+1/256
1/2+1/4+1/8+1/16+……1/128=?要简便算法
1/2+1/4+1/8+1/16+……+1/256=( )
2/1+4/1+8/1+16/1+……+256/1=( )
1,1/2,1/4,1/8,1/16……第100个数是
1+2+4+8+16+……+1024等于几?
1+2+4+8+16+……+1024
1/2+1/4+1/8+1/16+1/32+……+1/1024+1/2048+1/2^n
简便计算:1-1/2-1/4-1/8-1/16-1/32-…-1/1024
求和:1/2-1/4+1/8-1/16+……+(-1)^n-1*1/2^n
简算:1/2+1/4+1/8+1/16+1/32+…+1/4096=()
已知M=(2+1)(2^2+1)(2^4+1)(2^8+1) ……(2^16已知M=(2+1)(2^2+1)(2^4+1)(2^8+1)……(2^16+1)(2^128+1)