题目内容
解方程
(1)
-
=1;
(2)
[
(2x+2)-
x]=
.
(1)
| 0.5x-0.1 |
| 0.2 |
| 0.5x+0.1 |
| 0.6 |
(2)
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |
(1)原方程可化为:
-
=1,
=1,
x-0.4=0.6,
x=1;
(2)原方程可化为:
(2x+2)-
x=1,
2(2x+2)-3x=6,
4x-3x=6-4,
x=2.
| 1.5x-0.3 |
| 0.6 |
| 0.5x+0.1 |
| 0.6 |
| 1.5x-0.3-0.5x-0.1 |
| 0.6 |
x-0.4=0.6,
x=1;
(2)原方程可化为:
| 1 |
| 3 |
| 1 |
| 2 |
2(2x+2)-3x=6,
4x-3x=6-4,
x=2.
练习册系列答案
相关题目