题目内容
计算题:
(1)(-1)2008+π0-(
)-1+
(2)(3
+
-4
)÷
(3)
÷(
-
)
(4)
-(
)-1+
(
-1)-30-|
-2|.
(1)(-1)2008+π0-(
| 1 |
| 3 |
| 3 | 8 |
(2)(3
| 18 |
| 1 |
| 5 |
| 50 |
|
| 32 |
(3)
| 12 |
| 3 |
| 2 |
(4)
| 48 |
| ||
| 3 |
| 3 |
| 3 |
| 3 |
(1)原式=1+1-3+2
=1;
(2)原式=(9
+
-2
)÷4
=8
÷4
=2;
(3)原式=
=
+
=6+2
;
(4)原式=4
-
+3-
-1-2+
=3
.
=1;
(2)原式=(9
| 2 |
| 2 |
| 2 |
| 2 |
=8
| 2 |
| 2 |
=2;
(3)原式=
| ||||||||
(
|
=
| 36 |
| 24 |
=6+2
| 6 |
(4)原式=4
| 3 |
| 3 |
| 3 |
| 3 |
=3
| 3 |
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