题目内容
化简:(1)
(2)
(3)
.
11+2
|
(2)
4-
|
(3)
23-6
|
(1)原式=
=
=
+
=3+
;
(2)原式=
=
=
=
;
(3)原式=
=
=
=
=
=
=
=3-
.
(
|
=
(
|
=
| 9 |
| 2 |
=3+
| 2 |
(2)原式=
|
=
| ||||||
|
=
| ||||
|
=
| ||||
| 2 |
(3)原式=
23-6
|
=
23-6
|
=
23-6
|
=
23-6
|
=
11-6
|
=
11-2
|
=
(
|
=3-
| 2 |
练习册系列答案
相关题目