1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
=
3 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
=
7 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
=
15 |
16 |
1 |
32 |
1 |
64 |
=
31 |
32 |
1 |
64 |
=
63 |
64 |
方法2:
1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
| ||||||
1−
|
63 |
64 |
1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
3 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
7 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
15 |
16 |
1 |
32 |
1 |
64 |
31 |
32 |
1 |
64 |
63 |
64 |
1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
1 |
32 |
1 |
64 |
| ||||||
1−
|
63 |
64 |