1/2+1/4+1/8+1/16+......1/123+1/256
1/2+1/4+1/8+1/16+......1/123+1/256
日期:2022-04-03 10:46:49 人气:1
1/2+1/4+1/8+1/16+......1/123+1/256
倒过来,配个1/256
1/256+1/256 +1/128+1/64+...+1/4+1/2
=1/128+1/128+1/64+...+1/4+1/2
倒过来,配个1/256
1/256+1/256 +1/128+1/64+...+1/4+1/2
=1/128+1/128+1/64+...+1/4+1/2