1 |
2 |
1 |
3 |
1 |
4 |
1 |
2n-1 |
1 |
2n |
1 |
n+1 |
1 |
n+2 |
1 |
2n |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
2k-1 |
1 |
2k |
1 |
k+1 |
1 |
k+2 |
1 |
2k |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
2k-1 |
1 |
2k |
1 |
2k+1 |
1 |
2k+2 |
1 |
k+1 |
1 |
k+2 |
1 |
2k |
1 |
2k+1 |
1 |
2k+2 |
1 |
k+2 |
1 |
2k |
1 |
2k+1 |
1 |
2k+2 |
1 |
x1 |
1 |
x2 |
1 |
x1 |
1 |
x2 |
1 |
x3 |
1 |
x1 |
1 |
x2 |
1 |
xn |
A.若成立,则对于任意,均有成立; |
B.若成立,则对于任意的,均有成立; |
C.若成立,则对于任意的,均有成立; |
D.若成立,则对于任意的,均有成立。 |
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