题目内容
解方程：x-
|
|
x-
=
，
x-
+
=
+
，
X=
；
+x=
，
+x-
=
-
，
X=
．
| 4 |
| 9 |
| 1 |
| 3 |
x-
| 4 |
| 9 |
| 4 |
| 9 |
| 1 |
| 3 |
| 4 |
| 9 |
X=
| 7 |
| 9 |
| 3 |
| 7 |
| 9 |
| 14 |
| 3 |
| 7 |
| 3 |
| 7 |
| 9 |
| 14 |
| 3 |
| 7 |
X=
| 3 |
| 14 |
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题目内容
解方程：x-
|
|
| 4 |
| 9 |
| 1 |
| 3 |
| 4 |
| 9 |
| 4 |
| 9 |
| 1 |
| 3 |
| 4 |
| 9 |
| 7 |
| 9 |
| 3 |
| 7 |
| 9 |
| 14 |
| 3 |
| 7 |
| 3 |
| 7 |
| 9 |
| 14 |
| 3 |
| 7 |
| 3 |
| 14 |