Question

简算题 4096/1+2048/1+1024/1+.+16/1+8/1+4/1+2/1

Answer 1

2/1+4/1+8/1……+1024/1+2048/1

=2/1+4/1+8/1……+1024/1+2048/1+2048/1-2048/1

=2/1+4/1+8/1……+1024/1+1024/1-2048/1

=.

=2/1+2/1-2048/1

=1-2048/1

=2048/2047