题目内容
脱式计算.
|
|
5-
|
(1)
-(
-
),
=
-
,
=
;
(2)
+
-
,
=
-
+
,
=0+
,
=
;
(3)5-
-
,
=5-(
+
),
=5-1,
=4.
| 11 |
| 12 |
| 5 |
| 6 |
| 3 |
| 8 |
=
| 11 |
| 12 |
| 11 |
| 24 |
=
| 11 |
| 24 |
(2)
| 17 |
| 19 |
| 2 |
| 5 |
| 17 |
| 19 |
=
| 17 |
| 19 |
| 17 |
| 19 |
| 2 |
| 5 |
=0+
| 2 |
| 5 |
=
| 2 |
| 5 |
(3)5-
| 1 |
| 6 |
| 5 |
| 6 |
=5-(
| 1 |
| 6 |
| 5 |
| 6 |
=5-1,
=4.
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