题目内容
我会填．
+
=______；
-
=______；______-
=
；
-______=
；1-______=
；
+______=1．
| 1 |
| 13 |
| 7 |
| 13 |
| 5 |
| 7 |
| 2 |
| 7 |
| 1 |
| 13 |
| 5 |
| 13 |
| 7 |
| 5 |
| 3 |
| 5 |
| 5 |
| 12 |
| 7 |
| 8 |
| 1 |
| 13 |
| 7 |
| 13 |
| 8 |
| 13 |
| 5 |
| 7 |
| 2 |
| 7 |
| 3 |
| 7 |
| 6 |
| 13 |
| 1 |
| 13 |
| 5 |
| 13 |
| 7 |
| 5 |
| 4 |
| 5 |
| 3 |
| 5 |
1-
| 7 |
| 12 |
| 5 |
| 12 |
| 7 |
| 8 |
| 1 |
| 8 |
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