1-1/2-1/4-1/8-……-1/128=?用简便方法计算
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1-1/2-1/4-1/8-……-1/128=?用简便方法计算
1-1/2-1/4-1/8-……-1/128=?用简便方法计算
1-1/2-1/4-1/8-……-1/128=?用简便方法计算
1-1/2-1/4-1/8-1/16……-1/128-1/128+1/128
=1-1+1/128
=1/128
1/2+1/4+1/8……+1/256
1/2+1/4+1/8+……+1/1024
1/2-(1/2-1/4)-(1/4-1/8)-……-(1/8192-1/16384)
计算 (1+1/2)×(1+1/3)×(1+1/4)×……×(1+1/7)×(1+1/8)×计算 (1+1/2)×(1+1/3)×(1+1/4)×……×(1+1/7)×(1+1/8)×(1+1/9)
(2+1)(2^2+1)(2^4+1)(2^8+1)……(2^1024+1)
1/2+1/4+1/8……+1/256+1/512+1/1024 简便计算,
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
计算:1/2-(1/2-1/4)-(1/4-1/8)-…-1/512-1/1024)
1/2+1/4+1/8+1/16+……+1/2n的值
1/2+1/4+1/8+……1/2n=1n等于无限大
|1/4-1/2|+|1/6-1/4|+|1/8-1/6|+……+|1/2008-1/2006|是多少
1/2+1/4+1/8+1/16+1/32+……+1/1024+1/2048+1/2^n
1/n+1/n2+1/n3……=1/n-1吗?就是1/2+1/4+1/8+……=1/1证明其他正整数
简便计算:1-1/2-1/4-1/8-1/16-1/32-…-1/1024