题目内容
计算:
(1)(π-2009)0+
+|
-2|
(2)(3
-2
+
)÷(2
)
(1)(π-2009)0+
| 12 |
| 3 |
(2)(3
| 12 |
|
| 48 |
| 3 |
(1)原式=1+2
+2-
=
+3;
(2)原式=(6
-
+4
)÷2
=
÷2
=
.
| 3 |
| 3 |
=
| 3 |
(2)原式=(6
| 3 |
2
| ||
| 3 |
| 3 |
| 3 |
=
28
| ||
| 3 |
| 3 |
=
| 14 |
| 3 |
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