来自潘春荣的问题
1/2+1/4+1/8……+1/256+1/512+1/1024简便计算,
1/2+1/4+1/8……+1/256+1/512+1/1024简便计算,
1回答
2020-08-08 14:52
1/2+1/4+1/8……+1/256+1/512+1/1024简便计算,
1/2+1/4+1/8……+1/256+1/512+1/1024简便计算,
=1/2+1/4+1/8……+1/256+1/512+1/1024+1/1024-1/1024
=1/2+1/4+1/8……+1/256+1/512+1/512-1/1024
=1-1/1024
=1023/1024