题目内容
(1)解分式方程:
=2-
(2)计算:(
+
)÷
.
| x |
| x-3 |
| 3 |
| 3-x |
(2)计算:(
| 48 |
| 1 |
| 4 |
| 12 |
| 27 |
(1)去分母得:x=2x-6+3,
解得:x=3,
经检验x=3是增根,原分式方程无解;
(2)原式=
+
=
+
=
.
解得:x=3,
经检验x=3是增根,原分式方程无解;
(2)原式=
| 48÷27 |
| 1 |
| 4 |
| 12÷27 |
| 4 |
| 3 |
| 1 |
| 6 |
| 3 |
| 2 |
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