题目内容
化简:①
=______;②
×
-
═______;③
-
=______.
| (-4)2 |
| 3 |
| 6 |
| 2 |
| 8 |
|
①原式=|-4|
=4;
②原式=
×
×
-
=3
-
=2
;
③原式=2
-
=
.
故答案为:4,2
,
.
=4;
②原式=
| 3 |
| 3 |
| 2 |
| 2 |
=3
| 2 |
| 2 |
=2
| 2 |
③原式=2
| 2 |
| 1 |
| 2 |
| 2 |
=
| 3 |
| 2 |
| 2 |
故答案为:4,2
| 2 |
| 3 |
| 2 |
| 2 |
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