题目内容
化简
(1)
×
-2
(2)
(3)2
+
(4)
+
-
(5)-
.
(1)
27 |
3 |
(2)
| ||||
|
(3)2
12 |
48 |
(4)
|
50 |
32 |
(5)-
|
(1)原式=9-2=7;
(2)原式=
=
=3;
(3)原式=4
+4
=8
;
(4)原式=
+5
-4
=
;
(5)原式=-
.
(2)原式=
|
|
(3)原式=4
3 |
3 |
3 |
(4)原式=
| ||
3 |
2 |
2 |
4
| ||
3 |
(5)原式=-
2
| ||
25 |
练习册系列答案
相关题目