题目内容
x-
=
-
.
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
x-
=
-
,
x-
=
-
+
,
x=
-
,
x=
.
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
x-
| 1 |
| 9 |
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
| 1 |
| 9 |
x=
| 1 |
| 2 |
| 3 |
| 7 |
x=
| 1 |
| 14 |
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题目内容
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
| 1 |
| 9 |
| 1 |
| 9 |
| 7 |
| 18 |
| 3 |
| 7 |
| 1 |
| 9 |
| 1 |
| 2 |
| 3 |
| 7 |
| 1 |
| 14 |