题目内容
计算:
+(-
)2009×(1
)2010×(-
)-3
2008 |
20092-2010×2008 |
2 |
3 |
1 |
2 |
1 |
2 |
2008 |
20092-2010×2008 |
2 |
3 |
1 |
2 |
1 |
2 |
=
2008 |
20092-(2009+1)×(2009-1) |
2 |
3 |
3 |
2 |
3 |
2 |
=2008+
3 |
2 |
=2020.
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题目内容
2008 |
20092-2010×2008 |
2 |
3 |
1 |
2 |
1 |
2 |
2008 |
20092-2010×2008 |
2 |
3 |
1 |
2 |
1 |
2 |
2008 |
20092-(2009+1)×(2009-1) |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |