1 |
2 |
3 |
2 |
27 | ||
|
1 |
3 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
2 |
1 |
2 |
an |
an-1 |
1 |
3 |
1 |
3 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
3n+1 |
3n-1 |
1 |
3n-1 |
1 |
3n-1 |
1 |
31-1 |
1 |
32-1 |
1 |
3n-1 |
1×[1-(
| ||
1-
|
3 |
2 |
1 |
2×3n-1 |
3 |
2 |
1 |
2 |
3 |
2 |
27 | ||
|
3 |
2 |
3 |
2 |
1 |
2 |
科目:高中数学 来源: 题型:
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