问题:
(1)先化简,再求值:(1+
1
x-2
)÷
x2-2x+1
x2-4
,其中x=-5.
(2)解分式方程:
3
x+1
+
1
x-1
=
6
x2-1
.
(1)先化简,再求值:(1+
)÷
,其中x=-5.
(2)解分式方程:
+
=
.
1 |
x-2 |
x2-2x+1 |
x2-4 |
(2)解分式方程:
3 |
x+1 |
1 |
x-1 |
6 |
x2-1 |
参考答案: