n+1 |
n |
1 |
n |
3 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
3 |
2 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
3 |
4 |
3 |
1 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
2 |
1 |
n |
1 |
n+1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
2011 |
1 |
2012 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2012 |
1 |
2 |
2011 |
2012 |
2011 |
4024 |
4 |
x |
A.3个 | B.2个 | C.1个 | D.0个 |
2 |
m |
x |
A.1个 | B.2个 | C.3个 | D.4个 |
k |
x |
A.第一、第二、三象限 | B.第一、二、四象限 |
C.第一、三、四象限 | D.第二、三、四象限 |
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