作业帮1-1/2-1/8-1/16-1/32-1/64-1/128
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/17 06:20:25
x)357b 64 kdaTOH~
5)ůB*h̄F4KF>06cqAb 44mg]]Pz=`|VӆgS7<_bblT(*(F`_
#S3j]z cA y ( k "\ c 䘜6
1-1/2-1/8-1/16-1/32-1/64-1/128
1-1/2-1/8-1/16-1/32-1/64-1/128
1-1/2-1/8-1/16-1/32-1/64-1/128
1-1/2-1/8-1/16-1/32-1/64-1/128
=1-1/2-1/8-1/16-1/32-1/64-1/128-1/128 +1/128
=1-1/2-1/8-1/16-1/32-1/64-1/64 +1/128
=1-1/2-1/8-1/16-1/32-1/32 +1/128
=1-1/2-1/8-1/16-1/16 +1/128
=1-1/2-1/8-1/8 +1/128
=1-1/2-1/4 +1/128
=1/4 +1/128
=32/128 +1/128
=33/128
把1，2，8,16,32,64,128变换成2的倍数可解
x = 1-1/2-1/8-1/16-1/32-1/64-1/128
x/2 = 1/2-1/4-1/16-1/32-1/64-1/128-1/256
x-x/2 = 1-1-1/8+1/4 +1/256 = 1/8 + 1/256 = 33/256
x = 33/128