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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