题目内容
计算或化简:
(1)
+(π-3)0+
(2)(
+2)(2-
)-
÷
.
(1)
| 8 |
| 1 | ||
|
(2)(
| 3 |
| 3 |
| 12 |
| 3 |
(1)原式=2
+1+
=
+1;
(2)原式=(2+
)(2-
)-2
÷
=4-3-2
=-1.
| 2 |
| ||
| 2 |
=
5
| ||
| 2 |
(2)原式=(2+
| 3 |
| 3 |
| 3 |
| 3 |
=4-3-2
=-1.
练习册系列答案
相关题目
题目内容
| 8 |
| 1 | ||
|
| 3 |
| 3 |
| 12 |
| 3 |
| 2 |
| ||
| 2 |
5
| ||
| 2 |
| 3 |
| 3 |
| 3 |
| 3 |