题目内容
计算:(
+
)÷
| 1 |
| x+2 |
| 2 |
| x-2 |
| 3x+2 |
| x2+2x |
原式=
÷
=
•
=
.
故答案为
.
| x-2+2x+4 |
| (x+2)(x-2) |
| 3x+2 |
| x(x+2) |
=
| 3x+2 |
| (x+2)(x-2) |
| x(x+2) |
| 3x+2 |
=
| x |
| x-2 |
故答案为
| x |
| x-2 |
练习册系列答案
相关题目