题目内容
计算
(1)|-2|-
+(-2013)0;
(2)
+
-
;
(3)(2
-3
)×
;
(4)
÷
×
.
(1)|-2|-
| 9 |
(2)
| 32 |
| 18 |
|
(3)(2
| 12 |
|
| 6 |
(4)
1
|
2
|
1
|
(1)原式=2-3+1
=0;
(2)原式=4
+3
-
=
;
(3)原式=(4
-
)×
=3
×
=9
;
(4)原式=
=1.
=0;
(2)原式=4
| 2 |
| 2 |
| ||
| 4 |
=
27
| ||
| 4 |
(3)原式=(4
| 3 |
| 3 |
| 6 |
=3
| 3 |
| 6 |
=9
| 2 |
(4)原式=
|
=1.
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