题目内容
(1)计算:(-2)0÷
×(
)-2-23;
(2)化简:
-
.
| 1 |
| 4 |
| 1 |
| 2 |
(2)化简:
| 1 | ||
2+
|
| ||
| 2 |
(1)原式=1×4×
-8=1×4×4-8=8;
(2)原式=
-
=2-2
.
| 1 | ||
(
|
(2)原式=
2-
| ||||
(2+
|
| 3 |
| 3 |
练习册系列答案
相关题目
题目内容
| 1 |
| 4 |
| 1 |
| 2 |
| 1 | ||
2+
|
| ||
| 2 |
| 1 | ||
(
|
2-
| ||||
(2+
|
| 3 |
| 3 |