题目内容
化简:x+1-
=______.
| x2+2x |
| x+1 |
原式=
-
=
=
.
故答案为:
.
| (x+1)2 |
| x+1 |
| x2+2x |
| x+1 |
=
| x2+2x+1-x2-2x |
| x+1 |
=
| 1 |
| x+1 |
故答案为:
| 1 |
| x+1 |
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相关题目
题目内容
| x2+2x |
| x+1 |
| (x+1)2 |
| x+1 |
| x2+2x |
| x+1 |
| x2+2x+1-x2-2x |
| x+1 |
| 1 |
| x+1 |
| 1 |
| x+1 |