| a |
| b |
| c |
| c |
| a |
| c |
| b |
| c |
| ||
| 2 |
| ||
| 2 |
| a |
| b |
| c |
| a |
| c |
| b |
| c |
| b |
| a |
| c |
| λ2+1 |
| (1-λ)2 |
| c |
| a |
| c |
| b |
| c |
| b |
| a |
| a |
| b |
| b |
| a |
| 0 |
| a |
| b |
| a |
| b |
| c |
λ
| ||||
| 1-λ |
λ
| ||
| 1-λ |
| ||
| 1-λ |
| c |
λ
| ||
| 1-λ |
| ||
| 1-λ |
| λ |
| 1-λ |
| b |
| 1 |
| 1-λ |
| a |
| λ2+1 |
| (1-λ)2 |
| λ2+1 |
| (1-λ)2 |
| λ2+1 |
| λ2-2λ+1 |
| 1 |
| 2 |
| c |
| 1 |
| 2 |
| c |
| ||
| 2 |
| c |
| ||
| 2 |
科目:高中数学 来源: 题型:
| π |
| 3 |
| ||
| 3 |
| ||
| 2 |
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