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(1)解分式方程:xx-3=2-33-x(2)计算:(48+1412)÷27.
题目详情
(1)解分式方程:
(2)计算:(
|
x |
x-3 |
3 |
3-x |
(2)计算:(
48 |
1 |
4 |
12 |
27 |
x |
x-3 |
3 |
3-x |
(2)计算:(
48 |
1 |
4 |
12 |
27 |
x |
x-3 |
3 |
3-x |
(2)计算:(
48 |
1 |
4 |
12 |
27 |
x |
x-3 |
3 |
3-x |
(2)计算:(
48 |
1 |
4 |
12 |
27 |
x |
x-3 |
3 |
3-x |
(2)计算:(
48 |
1 |
4 |
12 |
27 |
x |
x-3 |
3 |
3-x |
48 |
1 |
4 |
12 |
27 |
48 |
1 |
4 |
12 |
27 |
27 |
▼优质解答
答案和解析
(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=
+
=
+
=
. (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=
+
=
+
=
. (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=
+
=
+
=
. (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=
+
=
+
=
.
48÷27 48÷27 48÷27 48÷27 +
=
+
=
.
1 4 1 1 1 4 4 4
=
+
=
.
12÷27 12÷27 12÷27 12÷27 =
+
=
.
4 3 4 4 4 3 3 3 +
=
.
1 6 1 1 1 6 6 6 =
.
3 2 3 3 3 2 2 2 .
(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 |
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 |
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 |
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 |
48÷27 |
1 |
4 |
12÷27 |
4 |
3 |
1 |
6 |
3 |
2 |
1 |
4 |
12÷27 |
4 |
3 |
1 |
6 |
3 |
2 |
12÷27 |
4 |
3 |
1 |
6 |
3 |
2 |
4 |
3 |
1 |
6 |
3 |
2 |
1 |
6 |
3 |
2 |
3 |
2 |
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