题目内容
| lim |
| x→1 |
| 2x+1 |
| x2+x-2 |
| 1 |
| x-1 |
| lim |
| x→1 |
| 2x+1 |
| x2+x-2 |
| 1 |
| x-1 |
| lim |
| x→1 |
| 2x+1-x-2 |
| (x-1)(x+2) |
| lim |
| x→1 |
| 1 |
| x+2 |
| 1 |
| 3 |
故答案为
| 1 |
| 3 |
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相关题目
题目内容
| lim |
| x→1 |
| 2x+1 |
| x2+x-2 |
| 1 |
| x-1 |
| lim |
| x→1 |
| 2x+1 |
| x2+x-2 |
| 1 |
| x-1 |
| lim |
| x→1 |
| 2x+1-x-2 |
| (x-1)(x+2) |
| lim |
| x→1 |
| 1 |
| x+2 |
| 1 |
| 3 |
| 1 |
| 3 |