题目内容
解方程.
X÷
| 2X-
|
|
(1)X÷
| 4 |
| 5 |
| 5 |
| 6 |
X÷
| 4 |
| 5 |
| 4 |
| 5 |
| 5 |
| 6 |
| 4 |
| 5 |
X=
| 2 |
| 3 |
(2)2X-
| 1 |
| 4 |
| 1 |
| 3 |
2X-
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
2X=
| 7 |
| 12 |
2X÷2=
| 7 |
| 12 |
X=
| 7 |
| 24 |
(3)
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 7 |
| 5 |
| 6 |
| 5 |
| 7 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 7 |
| 5 |
| 6 |
X=
| 6 |
| 7 |
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