题目内容
解方程
x+
| x-
|
x+
=
，
x+
-
=
-
，
x=
；
x-
=
，
x-
+
=
+
，
x=
．
| 3 |
| 5 |
| 7 |
| 8 |
x+
| 3 |
| 5 |
| 3 |
| 5 |
| 7 |
| 8 |
| 3 |
| 5 |
x=
| 11 |
| 40 |
x-
| 1 |
| 6 |
| 3 |
| 8 |
x-
| 1 |
| 6 |
| 1 |
| 6 |
| 3 |
| 8 |
| 1 |
| 6 |
x=
| 13 |
| 24 |
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