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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:
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
(1)解分式方程:
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
(1)解分式方程:
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
(1)解分式方程:
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
(1)解分式方程:
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
x
x-3
=2-
3
3-x

(2)计算:(
48
+
1
4
12
÷
27
x
x-3
x x-3 x x x-3 x-3
3
3-x
3 3-x 3 3 3-x 3-x
48
+
1
4
12
÷
27
48
48
48
48
1
4
1 4 1 1 4 4
12
12
12
12 ÷
27
27
27
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=
48÷27
+
1
4
12÷27
=
4
3
+
1
6
=
3
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=
48÷27
+
1
4
12÷27
=
4
3
+
1
6
=
3
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=
48÷27
+
1
4
12÷27
=
4
3
+
1
6
=
3
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=
48÷27
+
1
4
12÷27
=
4
3
+
1
6
=
3
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=
48÷27
+
1
4
12÷27
=
4
3
+
1
6
=
3
2
48÷27
48÷27
48÷27
48÷27 48÷27 +
1
4
12÷27
=
4
3
+
1
6
=
3
2
1
4
1 4 1 1 1 4 4 4
12÷27
=
4
3
+
1
6
=
3
2
12÷27
12÷27
12÷27
12÷27 12÷27 =
4
3
+
1
6
=
3
2
4
3
4 3 4 4 4 3 3 3 +
1
6
=
3
2
1
6
1 6 1 1 1 6 6 6 =
3
2
3
2
3 2 3 3 3 2 2 2 .