1-2/1 - 4/1.- 64/1 - 128/1 - 256/1
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1-2/1-4/1.-64/1-128/1-256/11-2/1-4/1.-64/1-128/1-256/11-2/1-4/1.-64/1-128/1-256/11-2/1-4/1.-64/1-128
1-2/1 - 4/1.- 64/1 - 128/1 - 256/1
1-2/1 - 4/1.- 64/1 - 128/1 - 256/1
1-2/1 - 4/1.- 64/1 - 128/1 - 256/1
1-2/1 - 4/1.- 64/1 - 128/1 - 256/1 =256/1
1-(1-1/2)-(1/2-1/4).-(1/64-1/128)-(1/128-1/256)
=1-1+1/2-1/2+1/4-4/1.1/64-1/64+1/128-1/128+1/256
=1/256
题目错了?
=256/1
求采纳
!
1-2/1 - 4/1.- 64/1 - 128/1 - 256/1
1+1/2+1/4+1/8+...1/64=?
2/1+3/1+4/1.+64/1要简便计算
1-2/1-4/1-8/1-……-64/1-128/1-256/1.怎么算
过程希望用纸写出来,计算(2+1)(2^2+1)(2^4+1)(2^8+1计算(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)(2^64+1)+1.
(2+1)({2}^{2}+1)({2}^{4}+1)({2}^{8}+1).({2}^{64}+1)+1
找规律2分之1,4分之1,8分之1(,)(,)64分之1,128分之1.
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
2分之1+4分之1+…+64分之1
(1-1/2-1/4-1/8-1/16-1/32-1/64)除以1/64注意简算
找规律1,2,4,(),16,(),64
找规律1,2,4(),16(),64