1/128+1/256+1/512+1/1024+1/2048+1/4096+1/8192
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+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+8192等于几?有什么规律?
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+.+2^3599最后的结果除以1
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
1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/256-1/512+1/1024-1/2048
简便计算(要过程):1/1024+1/32+1/64+1/128+1/256+1/512+1/1024=?
1024+512+256+.+2+1+2/1+4/1+8/1+.512/1+1024/1
速算与巧算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/4