1+1/2+1/4+1/8+1/16.1/1024 我是初一的,
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1+1/2+1/4+1/8+1/16.1/1024 我是初一的,
1+1/2+1/4+1/8+1/16.1/1024 我是初一的,
1+1/2+1/4+1/8+1/16.1/1024 我是初一的,
1+1/2+1/4+1/8+1/16.1/1024
=1+(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)+.+(1/512-1/1024)
=1+1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+.+1/512-1/1024
=1+1-1/1024
=2-1/1024
=1又1024分之1023
1+1/2+1/4+1/8+1/16......1/1024
=1+(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)+......+(1/512-1/1024)
=1+1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+......+1/512-1/1024
=1+1-1/1024
=2-1/1024
=1又1024分之1023
我是老师 谢谢采纳
自己慢慢找吧
1+1/2+1/4+1/8+1/16......1/1024=2-1/1024=2047/1024