摘要:(1). (2)375÷; (3) (4).
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计算、化简
(1)
-
(2)(2-
)2-(1+
)(
-2)
(3)(π-2009)0+
+|
-2|
(4)(
-
)(
+
)+6
(5)2
×(3
-
-
)
(6)
-
.
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(1)
| 3 | 27 |
| ||||
|
(2)(2-
| 5 |
| 5 |
| 5 |
(3)(π-2009)0+
| 12 |
| 3 |
(4)(
| 3 |
| 2 |
| 2 |
| 3 |
|
(5)2
| 3 |
| 75 |
| 12 |
| 27 |
(6)
20
| ||||
|
| 1 |
| 2 |
计算、化简
(1)
-
(2)(2-
)2-(1+
)(
-2)
(3)(π-2009)0+
+|
-2|
(4)(
-
)(
+
)+6
(5)2
×(3
-
-
)
(6)
-
.
查看习题详情和答案>>
(1)
| 3 | 27 |
| ||||
|
(2)(2-
| 5 |
| 5 |
| 5 |
(3)(π-2009)0+
| 12 |
| 3 |
(4)(
| 3 |
| 2 |
| 2 |
| 3 |
|
(5)2
| 3 |
| 75 |
| 12 |
| 27 |
(6)
20
| ||||
|
| 1 |
| 2 |