题目内容
计算:(2-
)2013(2+
)2014-2|-
|-(-
)0.
| 3 |
| 3 |
| ||
| 2 |
| 2 |
原式=(2-
)2013•(2+
)2013•(2+
)-2×
-1
=[(2-
)•(2+
)]2013•(2+
)-
-1
=2+
-
-1
=1.
| 3 |
| 3 |
| 3 |
| ||
| 2 |
=[(2-
| 3 |
| 3 |
| 3 |
| 3 |
=2+
| 3 |
| 3 |
=1.
练习册系列答案
相关题目
题目内容
| 3 |
| 3 |
| ||
| 2 |
| 2 |
| 3 |
| 3 |
| 3 |
| ||
| 2 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |