题目内容
计算:
+
=______.
| 251 |
| 2008×2009 |
| 251 |
| 2009×2010 |
| 258 |
| 2008×2009 |
| 258 |
| 2009×2080 |
=258×(
| 8 |
| 2008×2009 |
| 8 |
| 2009×2080 |
=258×(
| 8 |
| 2008 |
| 8 |
| 2009 |
| 8 |
| 2009 |
| 8 |
| 2080 |
=258×
| 2 |
| 2008×2080 |
=
| 8 |
| 8040 |
故答案为:
| 8 |
| 8040 |
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题目内容
| 251 |
| 2008×2009 |
| 251 |
| 2009×2010 |
| 258 |
| 2008×2009 |
| 258 |
| 2009×2080 |
| 8 |
| 2008×2009 |
| 8 |
| 2009×2080 |
| 8 |
| 2008 |
| 8 |
| 2009 |
| 8 |
| 2009 |
| 8 |
| 2080 |
| 2 |
| 2008×2080 |
| 8 |
| 8040 |
| 8 |
| 8040 |