| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
=(1+2+3+…+11)+(
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
=66+(
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
因为:66+
| 10 |
| 110 |
| 10 |
| 100 |
即:67<A<67
| 1 |
| 10 |
因此,A的整数部分为67;
故答案为:67.
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
| 10 |
| 100 |
| 10 |
| 101 |
| 10 |
| 102 |
| 10 |
| 110 |
| 10 |
| 110 |
| 10 |
| 100 |
| 1 |
| 10 |