题目内容
(1)化简:(
+
)÷
+1;
(2)解方程:
=
.
| 1 |
| a+1 |
| 1 |
| a-1 |
| a |
| a+1 |
(2)解方程:
| 3 |
| x-3 |
| 4 |
| x |
(1)原式=
•
+1
=
+1
=
;
(2)去分母得:3x=4x-12,
解得:x=12,
经检验x=12是分式方程的解.
| a-1+a+1 |
| (a+1)(a-1) |
| a+1 |
| a |
=
| 2 |
| a-1 |
=
| a+1 |
| a-1 |
(2)去分母得:3x=4x-12,
解得:x=12,
经检验x=12是分式方程的解.
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