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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