题目内容
| 3 |
| 2 |
| 7 |
| 6 |
| 13 |
| 12 |
| 21 |
| 20 |
| 31 |
| 30 |
| 43 |
| 42 |
| 57 |
| 56 |
| 73 |
| 72 |
| 91 |
| 90 |
| 111 |
| 110 |
| 3 |
| 2 |
| 7 |
| 6 |
| 13 |
| 12 |
| 21 |
| 20 |
| 31 |
| 30 |
| 43 |
| 42 |
| 57 |
| 56 |
| 73 |
| 72 |
| 91 |
| 90 |
| 111 |
| 110 |
=(1+
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 110 |
=(1+1+1+1+1+1+1+1+1+1)+(
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 110 |
=10+(1-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 10 |
| 1 |
| 11 |
=10+
| 10 |
| 11 |
=10
| 10 |
| 11 |
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