题目内容
2011÷2011
.
| 2011 |
| 2012 |
2011÷2011
,
=2011÷
,
=2011×
,
=
.
| 2011 |
| 2012 |
=2011÷
| 2012×2011+2011 |
| 2012 |
=2011×
| 2012 |
| 2011×(2012+1) |
=
| 2012 |
| 2013 |
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题目内容
| 2011 |
| 2012 |
| 2011 |
| 2012 |
| 2012×2011+2011 |
| 2012 |
| 2012 |
| 2011×(2012+1) |
| 2012 |
| 2013 |