| 1 |
| 1024 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 2 |
则2X=
| 1 |
| 512 |
| 1 |
| 256 |
因此,2X-X=X=
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 1024 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 2 |
=2048-
| 1 |
| 1024 |
=2047
| 1023 |
| 1024 |
故答案为:2047
| 1023 |
| 1024 |
| 1 |
| 1024 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 2 |
| 1 |
| 1024 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 2 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 1024 |
| 1 |
| 512 |
| 1 |
| 256 |
| 1 |
| 2 |
| 1 |
| 1024 |
| 1023 |
| 1024 |
| 1023 |
| 1024 |