1-2/1-4/1-8/1-16/1.-1024/1
1/2+1/4+1/8+1/16+...+1/1024
求和:1/2+1/4+1/8+1/16+1/32+1/64+.+1/1024=?
1/2+1/4+1/8+1/16+1/32……+1/1024
1/2+1/4+1/8+1/16+1/32+1/64+.+1024=?
2/1+4/1+8/1+16/1+32/1……+1024/1=
1/2+2/4+3/8+4/16+.+10/1024
计算:1/2+1/4+1/8+1/16+………+1/1024
2分之1加4分之1加8分之1加16分之1...加1024分之1
1024+512+256+.+2+1+2/1+4/1+8/1+.512/1+1024/1
1-1/2-1/4-1/8-1/16-1/32-.-1/512-1/1024(简便计算)
1-1/2-1/4-1/8-1/16-1/32-1/64……-1/1024
1/2+1/4+1/8+1/1/16+.+1/312+1/1024+1/2048 简便计算