题目内容
计算:(1)| 2 |
| 2 |
(2)
| 3 | 8 |
| 0 |
|
分析:按照实数的运算法则依次计算,其中注意
=2,
=0,将其代入即可.
| 3 | 8 |
| 0 |
解答:解:(1)
(
+2)=2+2
,
(2)
+
-
=2+0-
=
.
| 2 |
| 2 |
| 2 |
(2)
| 3 | 8 |
| 0 |
|
| 1 |
| 2 |
| 3 |
| 2 |
点评:本题考查了实数的运算,属于基础题,关键要熟练掌握实数的运算规则.
练习册系列答案
相关题目
题目内容
计算:(1)| 2 |
| 2 |
| 3 | 8 |
| 0 |
|
| 3 | 8 |
| 0 |
| 2 |
| 2 |
| 2 |
| 3 | 8 |
| 0 |
|
| 1 |
| 2 |
| 3 |
| 2 |