题目内容
| x+1 |
| 0.2 |
| x+3 |
| 0.01 |
方程变形得:
-
=50,
去分母得:10x+10-200x-600=100,
移项合并得:-190x=690,
解得:x=-
.
| 10x+10 |
| 2 |
| 100x+300 |
| 1 |
去分母得:10x+10-200x-600=100,
移项合并得:-190x=690,
解得:x=-
| 69 |
| 19 |
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题目内容
| x+1 |
| 0.2 |
| x+3 |
| 0.01 |
| 10x+10 |
| 2 |
| 100x+300 |
| 1 |
| 69 |
| 19 |