an |
an+1 |
3n+1 |
4 |
3n |
4 |
3n |
4 |
3 |
4 |
3 |
4 |
3n |
4 |
3 |
4 |
3n |
4 |
3 |
4 |
an |
an+1 |
| ||||
|
3n+3 |
3n+1-3 |
1 |
3 |
4 |
3n+1-3 |
an |
an+1 |
an |
an+1 |
1 |
2 |
an |
an+1 |
| ||||
|
3n-3 |
3n+1+3 |
1 |
3 |
4 |
3n+1+3 |
an |
an+1 |
an |
an+1 |
1 |
3 |
4 |
3n+1+3 |
1 |
3 |
1 |
2 |
an |
an+1 |
1 |
2 |
A.-33 | B.-31 | C.-27 | D.57 |
| ||
1-
|
A.2
| B.
| C.0 | D.-
|
A.3n-2 | B.n2-2n+2 | C.3n-1 | D.4n-3 |
3 |
2 |
A.3n-3 | B.2•3n | C.2•3n-1 | D.3n+1-3 |
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