題目列表(包括答案和解析)
| f | ′ n |
| ||
|
| fn(1) |
| fn+1(1) |
| 1 |
| a1 |
| 1 |
| a2 |
| 1 |
| a3 |
| 1 |
| an |
| 5 |
| 3 |
| x | 1 | 2 | 3 | 4 | 5 |
| y | 2 | 3 | 4 | 4 | 5 |
| ∧ |
| b |
| |||||||
|
| ∧ |
| a |
. |
| y |
| ∧ |
| b |
. |
| x |
| ∧ |
| y |
| ∧ |
| b |
| ∧ |
| a |
| 序號 | x | y | x2 | xy |
| 1 | ||||
| 2 | ||||
| 3 | ||||
| 4 | ||||
| 5 | ||||
| ∑ |
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