题目内容
2009÷2009
.
| 2009 |
| 2010 |
2009÷2009
,
=2009÷
,
=2009×
,
=
.
| 2009 |
| 2010 |
=2009÷
| 2009×(1+2010) |
| 2010 |
=2009×
| 2010 |
| 2009×2011 |
=
| 2010 |
| 2011 |
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题目内容
| 2009 |
| 2010 |
| 2009 |
| 2010 |
| 2009×(1+2010) |
| 2010 |
| 2010 |
| 2009×2011 |
| 2010 |
| 2011 |