1/4096+1/2048+1/1024.1/4+1/2

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 14:36:23

1/4096+1/2048+1/1024.1/4+1/2
1/4096+1/2048+1/1024.1/4+1/2

1/4096+1/2048+1/1024.1/4+1/2
设T=1/4096+1/2048+1/1024.1/4+1/2
则2T=1/2048+1/512+.+1/2+1
=1/2048+1/512+.+1/2+(1/4096+4095/4096)
=(1/2048+1/512+.+1/2+1/4096)+4095/4096
=T+4095/4096
T=4095/4096
即1/4096+1/2048+1/1024.1/4+1/2 =4095/4096