1/4096+1/2048+1/1024.1/4+1/2
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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
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
1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096=?
1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8192+16384+32768
1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8192+.+99999
1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768
1+2+4+8+16+32+64+128+256+512+1024+2048+4096+.+2^3599最后的结果除以1
1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8192等于几?有什么规律?
1/128+1/256+1/512+1/1024+1/2048+1/4096+1/8192
1+2+4+8+16+32+64+128+256+512+1024+2048+4096+.一直加365次这样的翻倍最后等
1/2+1/4+1/8+1/1/16+.+1/312+1/1024+1/2048 简便计算
1/2加1/4加1/8加1/16加...加1/1024加1/2048等于多少
1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/256-1/512+1/1024-1/2048
(2+1)(2的2次方+1)(2的4次方+1)(2的8次方+1)……(2的2048次方+1)