题目内容
求下列各式的值:
(1)
-
+
;
(2)(-3)2-
+
.
(1)
(-4)2 |
3 | -8 |
1
|
(2)(-3)2-
10-2 |
3 | 27 |
(1)原式=4+2+
=7
;
(2)原式=9-
+3
=11
.
5 |
4 |
=7
1 |
4 |
(2)原式=9-
1 |
10 |
=11
9 |
10 |
练习册系列答案
相关题目
题目内容
(-4)2 |
3 | -8 |
1
|
10-2 |
3 | 27 |
5 |
4 |
1 |
4 |
1 |
10 |
9 |
10 |