A.1004 | B.2026 | C.4072 | D.2044 |
lg(n+2) |
lg(n+1) |
lg3 |
lg2 |
lg4 |
lg3 |
lg5 |
lg4 |
lg(k+2) |
lg(k+1) |
lg(k+2) |
lg2 |
4(1-29) |
1-2 |
A.13 | B.-76 | C.46 | D.76 |
1 |
n(n+1) |
A.1 | B.
| C.
| D.
|
1 |
n(n+1) |
10 |
11 |
A.12 | B.11 | C.10 | D.9 |
1 |
n(n+1) |
2010 |
2011 |
A.2008 | B.2009 | C.2010 | D.2011 |
A.-2010 | B.-1005 | C.2010 | D.1005 |
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