题目内容
计算:
(1)
-
(2)
×(
-
)+
(3)
+|
-3|
(1)
| 27 |
| 12 |
(2)
| 6 |
| 1 | ||
|
| 3 |
| 50 |
(3)
(2-
|
| 5 |
(1)原式=3
-2
=
;
(2)原式=
×
-
×
+5
=
-3
+5
=3
;
(3)原式=
-2+3-
=1.
| 3 |
| 3 |
| 3 |
(2)原式=
| 6 |
| 1 | ||
|
| 6 |
| 3 |
| 2 |
=
| 2 |
| 2 |
| 2 |
=3
| 2 |
(3)原式=
| 5 |
| 5 |
=1.
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