题目内容
化简：(| 1 |
| x-1 |
| x+1 |
| 1-x |
| x2-x |
| x-1 |
| x |
| x-1 |
分析：首先分别利用通分计算每一个括号，然后打开括号计算分式的除法即可求解．
解答：解：(
+
)÷(
+
)
=
÷
=-
．
| 1 |
| x-1 |
| x+1 |
| 1-x |
| x2-x |
| x-1 |
| x |
| x-1 |
=
| 1-x-1 |
| x-1 |
| x2-x+x |
| x-1 |
=-
| 1 |
| x |
点评：此题主要考查了分式的混合运算，解题的关键是熟练掌握分式混合运算法则即可解决问题．
练习册系列答案
相关题目