题目内容
用你喜欢的方法计算.
|
| 5-
|
(1)
+
-
,
=
-
+
,
=0+
,
=
;
(2)
+
-
,
=
+
-
,
=
,
=0;
(3)5-
-
,
=5-(
+
),
=5-1,
=4.
| 3 |
| 4 |
| 5 |
| 8 |
| 3 |
| 4 |
=
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 8 |
=0+
| 5 |
| 8 |
=
| 5 |
| 8 |
(2)
| 5 |
| 36 |
| 1 |
| 12 |
| 2 |
| 9 |
=
| 5 |
| 36 |
| 3 |
| 36 |
| 8 |
| 36 |
=
| 5+3-8 |
| 36 |
=0;
(3)5-
| 7 |
| 9 |
| 2 |
| 9 |
=5-(
| 7 |
| 9 |
| 2 |
| 9 |
=5-1,
=4.
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